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# questions-and-troubleshooting
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m
@Rocky can I setup oauth by using AWS TEMPORARY ACCESS (TEAM)?
r
Yes, you can integrate StarRocks with AWS-related authentication, but how you set it up depends on whether you mean authenticating users to log into StarRocks or authenticating StarRocks to access AWS resources (like S3 or Glue). 1. Authenticating Users to StarRocks (OAuth 2.0) Starting from v3.5.0, StarRocks supports OAuth 2.0 authentication for the Web UI and JDBC connections. If "AWS TEMPORARY ACCESS (TEAM)" refers to your organization's use of AWS IAM Identity Center (formerly AWS SSO), you can configure StarRocks to use it as an OIDC (OpenID Connect) provider. To set this up, you would typically: 1. Create a Security Integration in StarRocks:
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sql
    CREATE SECURITY INTEGRATION aws_sso_integration
    PROPERTIES (
        "type" = "authentication_oauth2",
        "auth_server_url" = "<https://portal.sso>.<region>.<http://amazonaws.com/|amazonaws.com/>...",
        "token_server_url" = "<https://oidc>.<region>.<http://amazonaws.com/token|amazonaws.com/token>",
        "client_id" = "<your_client_id>",
        "client_secret" = "<your_client_secret>",
        "jwks_url" = "<https://oidc>.<region>.<http://amazonaws.com/keys.json|amazonaws.com/keys.json>",
        "redirect_url" = "http://<fe_ip>:<fe_http_port>/api/oauth2",
        "principal_field" = "email" -- or another field matching the StarRocks username
    );
2. Create a user that uses this integration:
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sql
    CREATE USER 'username' IDENTIFIED WITH authentication_oauth2;
2. Accessing AWS Resources (Temporary Credentials) If you are trying to use AWS Temporary Credentials (Access Key, Secret Key, and Session Token) to access data in S3 or Glue, StarRocks supports this via the 
aws.s3.session_token
property. When creating a Catalog or an External Table, you can provide the temporary credentials like this:
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sql
CREATE EXTERNAL TABLE my_table (
    ...
) ENGINE=FILE
PROPERTIES (
    "path" = "<s3://my-bucket/data/>",
    "format" = "parquet",
    "aws.s3.access_key" = "ASIA...", -- Temporary Access Key
    "aws.s3.secret_key" = "...",      -- Temporary Secret Key
    "aws.s3.session_token" = "...",   -- Required for temporary access
    "aws.s3.region" = "us-east-1"
);
*Note: Since temporary credentials expire, for long-running clusters, it is highly recommended to use IAM Role-based authentication (Assumed Role) or Instance Profiles, which StarRocks handles automatically without requiring manual token updates.* Summary * For User Login: Use OAuth 2.0 (v3.5+) integrated with AWS IAM Identity Center. * For Data Access: Use 
aws.s3.session_token
for manual temporary keys, or ideally, use IAM Roles to avoid manual credential management. If "TEAM" refers to a specific internal wrapper or tool your company uses to provide these tokens, you would simply feed the generated 
access_key
, 
secret_key
, and 
session_token
into the StarRocks configuration. References • administration/user_privs/authentication/oauth2_authentication.md • administration/user_privs/authentication/security_integration.md • integrations/authenticate_to_aws_resources.md
m
@Rocky what I need to integrate SECURITY INTEGRATION with entra id, im using entra id, and starrocks deployed with helm and k8s
r
To integrate Microsoft Entra ID (formerly Azure AD) with StarRocks using 
SECURITY INTEGRATION
, you need to configure an OAuth 2.0 flow. This allows users to authenticate via their Entra ID identity when accessing the StarRocks Web UI or using supported JDBC clients. Here is the step-by-step guide for your Helm/Kubernetes environment. 1. Register an Application in Microsoft Entra ID First, you must create an App Registration in your Azure Portal: 1. Redirect URI: Set this to the public URL of your StarRocks FE, specifically the OAuth callback endpoint. * Example: 
<https://starrocks.yourdomain.com/api/oauth2>
(Ensure this URI is reachable from the user's browser). 2. Client Secret: Generate a new client secret and save the value. 3. Endpoints: Note your Tenant ID. You will use it to construct the URLs below. 2. Configure StarRocks via SQL Since you are using Helm and K8s, the most flexible way is to run a SQL command after the cluster is up. This creates a global security integration. Run the following SQL as an 
admin
user:
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sql
CREATE SECURITY INTEGRATION entra_id_integration
PROPERTIES (
    "type" = "authentication_oauth2",
    "auth_server_url" = "<https://login.microsoftonline.com/<TENANT_ID>/oauth2/v2.0/authorize>",
    "token_server_url" = "<https://login.microsoftonline.com/<TENANT_ID>/oauth2/v2.0/token>",
    "jwks_url" = "<https://login.microsoftonline.com/<TENANT_ID>/discovery/v2.0/keys>",
    "client_id" = "<YOUR_CLIENT_ID>",
    "client_secret" = "<YOUR_CLIENT_SECRET>",
    "redirect_url" = "https://<YOUR_FE_DOMAIN>/api/oauth2",
    "principal_field" = "preferred_username", -- Entra ID usually uses this or "email"
    "required_issuer" = "<https://login.microsoftonline.com/<TENANT_ID>/v2.0>"
);
3. Kubernetes & Helm Considerations Because StarRocks is running in Kubernetes, ensure the following: * Ingress/LoadBalancer: Your FE must be exposed via an Ingress or LoadBalancer. The 
redirect_url
in the SQL above must match the external domain you provide to your users. * FE Configuration (Optional): If you want these settings to be the default for all OAuth2 users without repeating them in every 
CREATE USER
statement, you can add them to your 
values.yaml
for the Helm chart:
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yaml
    starrocksFeSpec:
      config:
        oauth2_auth_server_url: "<https://login.microsoftonline.com/<TENANT_ID>/oauth2/v2.0/authorize>"
        oauth2_token_server_url: "<https://login.microsoftonline.com/<TENANT_ID>/oauth2/v2.0/token>"
        oauth2_jwks_url: "<https://login.microsoftonline.com/<TENANT_ID>/discovery/v2.0/keys>"
        # etc...
* Version Check: Ensure you are using StarRocks v3.5.0 or later for full 
SECURITY INTEGRATION
and OAuth2 support. 4. Create Users for Entra ID Once the integration is created, you can create users that authenticate via Entra ID:
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sql
-- Create a user that maps to an Entra ID email/username
CREATE USER "<mailto:user@yourdomain.com|user@yourdomain.com>" 
AUTHENTICATION entra_id_integration;

-- Or grant it to a role
GRANT ALL ON DATABASE your_db TO USER "<mailto:user@yourdomain.com|user@yourdomain.com>";
5. Client Requirements * Web UI: Simply navigate to the FE HTTP port (default 8030) and select the OAuth2 login option. * MySQL Client: To use OAuth2 via a CLI/JDBC, you must use MySQL Client 9.2 or later, as it supports the required authentication plugin (
authentication_openid_connect
). Summary Checklist * [ ] App Registration in Entra ID with correct Redirect URI. * [ ] 
CREATE SECURITY INTEGRATION
executed in StarRocks. * [ ] FE is accessible via the 
redirect_url
domain. * [ ] User created in StarRocks matching the 
preferred_username
claim from Entra ID. References • administration/management/FE_configuration.md • administration/user_privs/authentication/oauth2_authentication.md
m
@Rocky it wont create automaticlly users By creating a security integration within your StarRocks cluster, you can allow access of your external authentication service to StarRocks. With the security integration, you do not need to manually create users within StarRocks. When a user tries to log in using an external identity, StarRocks will use the corresponding security integration according to the configuration in 
authentication_chain
to authenticate the user. After the authentication is successful and the user is allowed to log in, StarRocks creates a virtual user in the session for the user to perform subsequent operations.?
r
Hello! I'm Rocky. You are correct. When you use Security Integration in StarRocks, it does not create permanent, persistent user records in the internal StarRocks user metadata. Here is a breakdown of how this works and what it means for your setup: 1. Virtual (Session-based) Users When a user authenticates via a Security Integration (like LDAP or OIDC), StarRocks creates a virtual user (sometimes called a "dummy user") that exists only for the duration of that specific session. • Once the user logs out or the session expires, that "user" effectively disappears from StarRocks. • There is no entry for them in the system if you were to run 
SHOW USERS
. 2. Authorization (Permissions) Because these users are not stored in StarRocks, you cannot use the standard 
GRANT
statements to assign permissions to them directly (since the user doesn't "exist" to receive the grant). To handle permissions for these virtual users, you have two main options: * External Authorization (Recommended): Use a plugin like Apache Ranger. StarRocks will check Ranger to see what permissions the external identity has. * Group Provider: You can configure a Group Provider to map external groups (from LDAP/IDP) to StarRocks Roles. When the virtual user logs in, StarRocks identifies their groups and automatically assigns them the corresponding StarRocks roles for that session. 3. Comparison: Security Integration vs. Native User If you want the user to be persistent in StarRocks but still use external password verification, you would use the "Native User" approach instead: * Native User: You run 
CREATE USER 'username' IDENTIFIED WITH authentication_ldap_simple ...
. This creates a permanent record in StarRocks, allowing you to use native 
GRANT
commands, while still offloading the password check to LDAP. * Security Integration: You run 
CREATE SECURITY INTEGRATION ...
and set the 
authentication_chain
. This is a "hands-off" approach where you don't manage individual users in StarRocks at all, but it requires external authorization or group mapping. In summary: Yes, your understanding is spot on—it avoids the manual overhead of creating users by using temporary session-based identities! References • administration/user_privs/authentication/security_integration.md • administration/management/FE_configuration.md • best_practices/authentication_authorization.md
m
@Rocky is it free? or enterprise?
r
StarRocks is free and open-source software licensed under the Apache License 2.0. You can download, use, and modify it for free directly from the StarRocks GitHub repository. Here are a few key points regarding its "Enterprise" nature: * Open Source: The core engine, including all major features like the vectorized execution engine, cost-based optimizer (CBO), and intelligent materialized views, is completely open-source. * Enterprise-Ready: While the software is free, it is designed with enterprise-grade requirements in mind, such as high availability, massive scalability, and compatibility with standard SQL and MySQL protocols. * Commercial Support: If your organization requires managed services, 24/7 technical support, or a fully managed cloud version (SaaS), these are available through commercial partners like CelerData. In short: The software itself is free and open, but professional support and managed cloud options are available if you need them! References • introduction/what_is_starrocks.md • faq/resource_isolation_faq.md • introduction/StarRocks_intro.md • release_notes/release-2.5.md
m
@Rocky https://docs.starrocks.io/docs/administration/user_privs/authentication/security_integration/ I need full guide how to integrate existing entra id with starrroks
r
Integrating Microsoft Entra ID (formerly Azure AD) with StarRocks is primarily done through OAuth 2.0 Security Integration. This allows users to authenticate via SSO without manually creating user accounts in StarRocks. Important Note: Currently, if you use Security Integration (automatic user management), StarRocks requires you to use Apache Ranger for authorization. Native StarRocks RBAC (Roles/Privileges) is not yet supported for users authenticated via Security Integration. Step 1: Configure Microsoft Entra ID (Azure Portal) 1. Register an Application: * Go to Azure Portal > Microsoft Entra ID > App registrations > New registration. * Name: e.g., 
StarRocks-SSO
. * Redirect URI: Select Web and enter 
http://<fe_host>:<fe_http_port>/api/oauth2
. 2. Get Credentials: * Copy the Application (client) ID and Directory (tenant) ID. 3. Create Client Secret: * Go to Certificates & secrets > New client secret. Copy the Value. 4. Configure API Permissions: * Ensure 
User.Read
(delegated) is present. * In Token configuration, you may want to add optional claims like 
email
or 
preferred_username
to use as the StarRocks username. Step 2: Create Security Integration in StarRocks Log in to StarRocks as a user with 
SYSTEM
level privileges and execute the following SQL. Replace 
{tenant_id}
, 
{client_id}
, and 
{client_secret}
with your Azure values.
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sql
CREATE SECURITY INTEGRATION entra_id_integration
PROPERTIES (
    "type" = "authentication_oauth2",
    "auth_server_url" = "<https://login.microsoftonline.com/{tenant_id}/oauth2/v2.0/authorize>",
    "token_server_url" = "<https://login.microsoftonline.com/{tenant_id}/oauth2/v2.0/token>",
    "jwks_url" = "<https://login.microsoftonline.com/{tenant_id}/discovery/v2.0/keys>",
    "client_id" = "{client_id}",
    "client_secret" = "{client_secret}",
    "redirect_url" = "http://<fe_host>:<fe_http_port>/api/oauth2",
    "principal_field" = "preferred_username", -- The claim in the JWT to use as the StarRocks username
    "required_issuer" = "<https://login.microsoftonline.com/{tenant_id}/v2.0>"
);
Step 3: Enable the Authentication Chain You must tell StarRocks to use this integration. This is a global FE configuration.
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sql
ADMIN SET FRONTEND CONFIG (
    "authentication_chain" = "entra_id_integration"
);
Note: StarRocks prioritizes local `root`/`admin` users first. If a local user doesn't exist, it checks the security integration. Step 4: External Authorization (Required) Since Security Integration does not currently support native StarRocks authorization, you must integrate StarRocks with Apache Ranger to define what these Entra ID users are allowed to do. ────────── Alternative: Manual User Creation (OAuth 2.0) If you do not want to use Apache Ranger and prefer StarRocks' native RBAC, you can create users manually and link them to Entra ID: 1. Create the user:
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sql
    CREATE USER "<mailto:user@example.com|user@example.com>" IDENTIFIED WITH authentication_oauth2;
2. Configure FE 
fe.conf
 with the OAuth2 parameters (starts with 
oauth2_...
) so that individual users don't need the properties defined every time. How to Connect After configuration, users can connect via: * Web UI: Accessing the FE HTTP port will trigger the Entra ID login flow. * JDBC: Use a connection string that supports OAuth 2.0, ensuring the driver can handle the redirect flow. For more details on the connection parameters, you can refer to the OAuth 2.0 Authentication guide. References • administration/user_privs/authentication/oauth2_authentication.md
m
@Rocky docker run -it --rm mysql:9.2 mysql \ -h k8s-starrock-starrock-531efebc63-94b9b34a44bfcb1f.elb.ap-southeast-1.amazonaws.com \ -P 9030 \ -u 'smolimarian'@'outlook.com' ERROR 1045 (28000): Access denied for user 'smolimarian@outlook.com' (using password: NO) why it ask me for passowrd? oauth2_auth_server_url=https://login.microsoftonline.com/f651ba38-7f63-4754-a5ee-8ddfcb2b4034/oauth2/v2.0/authorize token_server_url oauth2_token_server_url=https://login.microsoftonline.com/f651ba38-7f63-4754-a5ee-8ddfcb2b4034/oauth2/v2.0/token oauth2_client_id=484493ce-57cf-49d4-8024-31e171247669 oauth2_client_secret=my-secret oauth2_redirect_url=https://starrocks.dev.engagerocket.co/api/oauth2 oauth2_jwks_url=https://login.microsoftonline.com/f651ba38-7f63-4754-a5ee-8ddfcb2b4034/discovery/v2.0/keys oauth2_principal_field=preferred_username oauth2_required_issuer=https://login.microsoftonline.com/f651ba38-7f63-4754-a5ee-8ddfcb2b4034/v2.0 oauth2_required_audience=484493ce-57cf-49d4-8024-31e171247669
r
To resolve the "Access denied" error when using OAuth 2.0 with the MySQL 9.2 client and StarRocks, please check the following points: 1. Ensure the User is Created in StarRocks Setting the 
oauth2_*
configurations in 
fe.conf
defines the global provider settings, but you must still manually create the user in StarRocks and associate them with the OAuth 2.0 authentication method. Run the following SQL command as an admin (e.g., using the 
root
user) to create the user:
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sql
-- Replace '<mailto:smolimarian@outlook.com|smolimarian@outlook.com>' with the exact username 
-- that matches the 'preferred_username' claim in your Entra ID token.
CREATE USER '<mailto:smolimarian@outlook.com|smolimarian@outlook.com>' IDENTIFIED WITH authentication_oauth2;
If the user does not exist in StarRocks, the server will immediately return 
Access denied
. 2. Verify StarRocks Version OAuth 2.0 authentication is supported starting from StarRocks v3.5.0. Ensure your cluster is running at least this version. 3. Match the 
principal_field
 You configured 
oauth2_principal_field=preferred_username
. * StarRocks will extract the value of the 
preferred_username
claim from the JWT token provided by Microsoft Entra ID. * The username you use in the 
-u
flag of the MySQL client must exactly match this value. * In Microsoft Entra ID, 
preferred_username
is usually the user's email or UPN (e.g., 
<mailto:smolimarian@outlook.com|smolimarian@outlook.com>
). If it is just 
smolimarian
, you should create the user and log in as 
smolimarian
instead. 4. Interactive Authentication Flow When you run the 
mysql
command, StarRocks (from v3.5+) will not ask for a password in the traditional way. Instead, it should return a URL to your terminal: 1. Copy the URL returned in the error message or console. 2. Open it in a browser to complete the Microsoft Entra ID login. 3. Once authenticated, the MySQL client session will proceed. If the client is failing before showing the URL, it is likely because the MySQL 9.2 client doesn't know which authentication plugin to use for the handshake. Try explicitly specifying the plugin or enabling cleartext:
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bash
docker run -it --rm mysql:9.2 mysql \
 -h <http://k8s-starrock-starrock-531efebc63-94b9b34a44bfcb1f.elb.ap-southeast-1.amazonaws.com|k8s-starrock-starrock-531efebc63-94b9b34a44bfcb1f.elb.ap-southeast-1.amazonaws.com> \
 -P 9030 \
 -u '<mailto:smolimarian@outlook.com|smolimarian@outlook.com>' \
 --enable-cleartext-plugin
5. Check 
fe.conf
Configuration Ensure the following are correctly set and you have restarted the FEs: * `oauth2_redirect_url`: This must be 
https://<starrocks_fe_ip>:<fe_http_port>/api/oauth2
. Ensure the port is the HTTP port (default 8030), not the MySQL port (9030). * `oauth2_client_secret`: Ensure this is the actual secret string. * `oauth2_jwks_url`: Double-check this is reachable by the StarRocks FE nodes. Summary of why it asks for a password: The MySQL client defaults to password-based authentication if it doesn't recognize the server's challenge or if the user isn't found. If StarRocks hasn't been told that 
'<mailto:smolimarian@outlook.com|smolimarian@outlook.com>'
is an OAuth2 user (via 
CREATE USER
), it defaults to checking its internal password store, finds no password/user, and denies access. References • administration/user_privs/authentication/oauth2_authentication.md • administration/management/FE_configuration.md
m
@Rocky mysql> CREATE USER 'smolimarian@outlook.com' IDENTIFIED WITH authentication_oauth2; ERROR 1064 (HY000): Getting analyzing error. Detail message: invalid user name: smolimarian@outlook.com.
r
The error you're encountering is due to two main issues: 1. Copy-Paste Artifacts: The username in your command, 
<mailto:smolimarian@outlook.com|smolimarian@outlook.com>
, contains special characters like 
<
, 
>
, and 
|
. These are likely artifacts from copying a link from Slack or an email client. StarRocks does not allow these characters in a username. 2. Naming Restrictions: Even if you use 
<mailto:smolimarian@outlook.com|smolimarian@outlook.com>
, StarRocks has strict naming conventions for usernames. According to the System Limits, a username: * Can only consist of letters (a-z, A-Z), digits (0-9), and underscores (
_
). * Cannot contain special characters like 
@
or 
.
. * In the StarRocks user identity format 
username@'host'
, the 
@
symbol is a reserved delimiter between the username and the host. How to Fix This To use OAuth 2.0 authentication, the StarRocks username must match the value returned by the identity provider in the field specified by 
principal_field
(e.g., 
sub
or 
preferred_username
). Option 1: Use a valid username If your identity provider can provide a simple username (e.g., 
smolimarian
), create the user like this:
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sql
CREATE USER 'smolimarian' IDENTIFIED WITH authentication_oauth2;
Option 2: Map the email to a valid name (if possible) If your identity provider's 
principal_field
always returns an email address, you currently cannot use that exact email address as the StarRocks username because of the 
@
and 
.
characters. You should configure your OAuth 2.0 provider to return a compatible string (letters, digits, underscores) in a specific claim and set that claim as the 
principal_field
. Example of a correct OAuth 2.0 user creation:
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sql
CREATE USER smolimarian IDENTIFIED WITH authentication_oauth2 AS 
'{
  "auth_server_url": "<https://example.com/auth>",
  "token_server_url": "<https://example.com/token>",
  "client_id": "your_client_id",
  "client_secret": "your_client_secret",
  "redirect_url": "<http://your-fe-host:8030/api/oauth2>",
  "jwks_url": "<https://example.com/certs>",
  "principal_field": "preferred_username", -- Ensure this field in the JWT contains a valid StarRocks username
  "required_issuer": "<https://example.com>",
  "required_audience": "your_client_id"
}';
Summary of Username Rules: * Characters allowed: 
a-z
, 
A-Z
, 
0-9
, 
_
* Max length: 128 characters. * Characters NOT allowed: 
@
, 
.
, 
-
, and any other special symbols. References • sql-reference/sql-statements/account-management/CREATE_USER.md • administration/user_privs/authentication/native_authentication.md • administration/user_privs/authorization/user_privs.md
m
@Rocky if I used _ instead of @ how would i properly configure oauth with entra?
r
To properly configure OAuth 2.0 with Microsoft Entra ID (formerly Azure AD) when you want to use 
_
instead of 
@
in your StarRocks usernames, you need to align the Claim sent by Entra ID with the Username defined in StarRocks. StarRocks does not currently perform string transformations (like regex replace) on the incoming JWT claims. Therefore, the transformation must happen on the Identity Provider (Entra ID) side. 1. Configure Claims Transformation in Entra ID You must create a custom claim in Entra ID that replaces the 
@
character with 
_
before the token is sent to StarRocks. 1. Log in to the Azure Portal. 2. Navigate to Microsoft Entra ID > Enterprise applications. 3. Select your StarRocks application. 4. Go to Single sign-on > Attributes & Claims. 5. Click Add new claim (or edit an existing one). * Name: e.g., 
transformed_username
* Namespace: (leave blank or use your standard) * Source: Transformation 6. In the Manage transformation blade: * Transformation: 
Replace()
* Parameter 1 (Attribute): 
user.userprincipalname
(or 
user.mail
) * Parameter 2 (Value to find): 
@
* Parameter 3 (Replacement value): 
_
7. Save the claim. Note the name of this claim (e.g., 
transformed_username
). 2. Configure StarRocks to use the transformed claim In StarRocks, you must tell the system to look at your new custom claim to determine the username. This is done using the 
principal_field
property. Option A: Global Configuration (fe.conf) Add the following to your 
fe.conf
on all Frontends and restart them:
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properties
oauth2_client_id = <your_client_id>
oauth2_client_secret = <your_client_secret>
oauth2_auth_server_url = <https://login.microsoftonline.com/<tenant_id>/oauth2/v2.0/authorize>
oauth2_token_server_url = <https://login.microsoftonline.com/<tenant_id>/oauth2/v2.0/token>
oauth2_jwks_url = <https://login.microsoftonline.com/<tenant_id>/discovery/v2.0/keys>
# Set this to the name of the claim you created in Step 1
oauth2_principal_field = transformed_username
Option B: Security Integration (SQL) If you are using StarRocks v3.5.0+, you can use a Security Integration:
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sql
CREATE SECURITY INTEGRATION entra_id_integration
PROPERTIES (
    "type" = "authentication_oauth2",
    "client_id" = "<your_client_id>",
    "client_secret" = "<your_client_secret>",
    "auth_server_url" = "<https://login.microsoftonline.com/<tenant_id>/oauth2/v2.0/authorize>",
    "token_server_url" = "<https://login.microsoftonline.com/<tenant_id>/oauth2/v2.0/token>",
    "jwks_url" = "<https://login.microsoftonline.com/<tenant_id>/discovery/v2.0/keys>",
    "principal_field" = "transformed_username" -- Matches your Entra ID claim
);
3. Create the User in StarRocks When you create the user in StarRocks, the username must match the result of the transformation (e.g., 
<http://user_example.com|user_example.com>
instead of 
<mailto:user@example.com|user@example.com>
).
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sql
-- The username '<http://rocky_starrocks.com|rocky_starrocks.com>' must match exactly 
-- what Entra ID sends in the 'transformed_username' claim.
CREATE USER '<http://rocky_starrocks.com|rocky_starrocks.com>' IDENTIFIED WITH authentication_oauth2;
Why is this necessary? StarRocks' OAuth 2.0 implementation (introduced in v3.5.0) requires that the value found in the 
principal_field
of the JWT is identical to the StarRocks username. Since StarRocks does not have a built-in "replace" function for these fields, Entra ID's "Claims Transformation" is the standard way to bridge this gap. References • administration/user_privs/authentication/oauth2_authentication.md • administration/management/FE_configuration.md
m
@Rocky Token type Access and ID tokens are used by applications for authentication. Learn more • ID • Access • SAML Claim Description acct User's account status in tenant acrs Auth Context IDs of the operations the bearer is eligible to perform auth_time Time when the user last authenticated; See OpenID Connect spec ctry User's country/region email The addressable email for this user, if the user has one family_name Provides the last name, surname, or family name of the user as defined in the user object fwd IP address given_name Provides the first or "given" name of the user, as set on the user object in_corp Signals if the client is logging in from the corporate network; if they're not, the claim isn't included ipaddr The IP address the client logged in from login_hint Login hint onprem_sid On-premises security identifier preferred_username Provides the preferred username claim, making it easier for apps to provide username hints and show human readable display names pwd_exp The datetime at which the password expires pwd_url A URL that the user can visit to change their password tenant_ctry Resource tenant's country/region tenant_region_scope Region of the resource tenant upn An identifier for the user that can be used with the username_hint parameter; not a durable identifier for the user and should not be used to key data verified_primary_email Sourced from the user's PrimaryAuthoritativeEmail verified_secondary_email Sourced from the user's SecondaryAuthoritativeEmail vnet VNET specifier information xms_cc Whether the application can handle claims challenges xms_edov Signals whether the user's email domain owner has been verified xms_pdl Preferred data location xms_pl User-preferred language xms_tpl Tenant-preferred language ztdid Zero-touch Deployment ID what should i use?
r
When configuring StarRocks for OAuth 2.0 or JWT authentication with an identity provider like Azure AD (Microsoft Entra ID), you need to map one of these claims to the StarRocks username using the 
principal_field
property. The "best" claim to use depends on how you want to identify your users within StarRocks. Here are the most common choices: *1. 
upn
(User Principal Name) — Recommended for Azure AD* * Why: This is the standard, human-readable identifier in Azure (e.g., 
<mailto:john.doe@company.com|john.doe@company.com>
). * StarRocks Username: If you use this, you would create your user in StarRocks as: 
CREATE USER '<mailto:john.doe@company.com|john.doe@company.com>' IDENTIFIED WITH authentication_oauth2 ...
*2. 
preferred_username
— Most Compatible* * Why: This is a standard OIDC claim. In Azure AD, it often defaults to the UPN or the email address. It is frequently used in StarRocks examples. * Configuration: Set 
principal_field
to 
"preferred_username"
. *3. 
email
— Use with Caution* * Why: Easy to remember, but users might have multiple emails or their email might change. * Configuration: Set 
principal_field
to 
"email"
. ────────── How to use it in StarRocks You need to tell StarRocks which claim to look at. You can do this in two ways: Option A: In the 
fe.conf
(Global Default) Add this to your FrontEnd configuration file so it applies to all OAuth/JWT users:
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properties
# For OAuth 2.0
oauth2_principal_field = upn

# For JWT
jwt_principal_field = upn
Option B: When Creating a Specific User You can specify it per user during the 
CREATE USER
command:
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sql
CREATE USER '<mailto:john.doe@company.com|john.doe@company.com>' IDENTIFIED WITH authentication_oauth2 AS 
'{
  "auth_server_url": "...",
  "token_server_url": "...",
  "client_id": "...",
  "principal_field": "upn", 
  ...
}';
Summary Recommendation * Use 
upn
 if your organization relies heavily on Azure AD and you want the StarRocks username to match the user's login ID. * Use 
preferred_username
 if you want to follow general OIDC standards. Important: The value of the claim you choose must exactly match the username you create inside StarRocks. If the 
upn
is 
<mailto:alice@example.com|alice@example.com>
, the StarRocks user must be created as 
'<mailto:alice@example.com|alice@example.com>'
. References • administration/management/FE_configuration.md • administration/user_privs/authentication/oauth2_authentication.md • administration/user_privs/authentication/jwt_authentication.md • administration/user_privs/group_provider.md
m
@Rocky but I cannot create user with "@"
r
Creating a user with an "@" symbol in the username can be tricky because StarRocks uses the 
@
character as a delimiter to separate the username from the host (the 
user_identity
format is 
username@'host'
). If you are experiencing issues, it is likely due to one of the following reasons: 1. Syntax Ambiguity (Host Delimiter) If you try to create a user like 
CREATE USER <mailto:user@example.com|user@example.com> IDENTIFIED BY 'password';
, StarRocks will interpret 
user
as the username and 
<http://example.com|example.com>
as the host. If the host part is not properly quoted or formatted, it will result in a syntax error. Solution: Use single quotes to explicitly define the username and the host. * If you want the username to be 
<mailto:user@example.com|user@example.com>
and allow connection from any host:
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sql
  CREATE USER '<mailto:user@example.com|user@example.com>'@'%' IDENTIFIED BY 'your_password';
* If you just wanted to specify a user 
jack
from a specific domain:
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sql
  CREATE USER 'jack'@'<http://example.com|example.com>' IDENTIFIED BY 'your_password';
2. Naming Convention Limits According to the StarRocks System Limits, usernames are generally restricted to: * Digits (0-9) * Letters (a-z or A-Z) * Underscores (_) The documentation states that names for objects like usernames "can only consist of digits, letters, and underscores." Even with quotes, some versions of StarRocks may strictly enforce this alphanumeric rule for the 
username
portion of the identity. Workaround: If the quoted version (
'<mailto:user@email.com|user@email.com>'@'%'
) still returns a naming convention error, you may need to replace the 
@
and 
.
characters with underscores:
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sql
CREATE USER 'user_example_com'@'%' IDENTIFIED BY 'your_password';
3. External Authentication (LDAP/OAuth2) If you are using external authentication (like LDAP or OAuth2) where the identity is an email address: * The StarRocks username (the local handle) should still follow the alphanumeric/underscore naming convention. * You can map this local user to the external identity in the 
IDENTIFIED WITH
clause.
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sql
  -- Example mapping a local user 'tom' to an LDAP DN containing special characters
  CREATE USER tom IDENTIFIED WITH authentication_ldap_simple AS 'uid=tom@example.com,ou=company,dc=example,dc=com';
Summary Checklist: 1. Enclose the username in single quotes: 
'user@name'
. 2. Enclose the host in single quotes: 
'%'
or 
'192.168.1.1'
. 3. If it still fails, check the error message. If it mentions "Invalid name," you must stick to letters, numbers, and underscores for the username. References • sql-reference/System_limit.md • administration/user_privs/authorization/user_privs.md • sql-reference/sql-statements/account-management/CREATE_USER.md • administration/user_privs/authentication/native_authentication.md • faq/Sql_faq.md • sql-reference/sql-statements/keywords.md • administration/management/FE_configuration.md
m
@Rocky mysql> SHOW CREATE SECURITY INTEGRATION test; +----------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | Security Integration | Create Security Integration | +----------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | test | CREATE SECURITY INTEGRATION 
test
PROPERTIES ( "auth_server_url" = "https://login.microsoftonline.com/acede1ad-6571-4567-acdf-6ae254b5e647/oauth2/v2.0/authorize", "required_issuer" = "https://login.microsoftonline.com/acede1ad-6571-4567-acdf-6ae254b5e647/v2.0", "token_server_url" = "https://login.microsoftonline.com/acede1ad-6571-4567-acdf-6ae254b5e647/oauth2/v2.0/token", "client_secret" = "***", "type" = "authentication_oauth2", "required_audience" = "e608ddcc-6440-4a3c-9ebd-abbba137506b", "principal_field" = "preferred_username", "client_id" = "e608ddcc-6440-4a3c-9ebd-abbba137506b", "redirect_url" = "https://starrocks.dev.engagerocket.co/api/oauth2", "jwks_url" = "https://login.microsoftonline.com/acede1ad-6571-4567-acdf-6ae254b5e647/discovery/v2.0/keys" ) | +----------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ 1 row in set (0.19 sec) mysql> mysql> SELECT CURRENT_USER(); +----------------+ | CURRENT_USER() | +----------------+ | 'root'@'%' | +----------------+ 1 row in set (0.20 sec) mysql> mysql> ADMIN SET FRONTEND CONFIG ("authentication_chain" = "test,native"); Query OK, 0 rows affected (0.19 sec) mysql> ADMIN SET FRONTEND CONFIG ("authentication_chain" = "native,test"); Query OK, 0 rows affected (0.21 sec) mysql> ADMIN SHOW FRONTEND CONFIG LIKE 'authentication_chain'; +----------------------+------------+----------------+----------+-----------+---------+ | Key | AliasNames | Value | Type | IsMutable | Comment | +----------------------+------------+----------------+----------+-----------+---------+ | authentication_chain | [] | [native, test] | String[] | true | | +----------------------+------------+----------------+----------+-----------+---------+ 1 row in set (0.19 sec) docker run -it --rm mysql:9.2 mysql \ -h k8s-starrock-starrock-531efebc63-94b9b34a44bfcb1f.elb.ap-southeast-1.amazonaws.com \ -P 9030 \ -u marian.s@scoutbytes.com ERROR 1045 (28000): Access denied for user 'marian.s@test.com' (using password: NO)
r
Hello! I'm Rocky. I see you're trying to set up OAuth2 authentication using a Security Integration in StarRocks and are encountering an "Access denied" error when connecting via the standard MySQL client. Based on your configuration and the error message, here are the key reasons why this is happening and how to resolve it: 1. Standard MySQL Client Limitations The standard 
mysql
command-line client does not support the OAuth 2.0 Authorization Code flow (which requires a browser redirect to log in and receive a code). StarRocks' OAuth2 implementation for the MySQL protocol typically requires a specialized plugin or client that can handle this interactive handshake. Currently, StarRocks OAuth2 is primarily designed for: * StarRocks Web UI (FE HTTP port). * JDBC connections using the starrocks-jdbc-oauth2-plugin. 2. User Creation in StarRocks Even with a Security Integration, the user must typically exist in StarRocks or be part of a mapped group. If you haven't created the user yet, you should create them and associate them with the OAuth2 authentication method:
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sql
CREATE USER '<mailto:marian.s@scoutbytes.com|marian.s@scoutbytes.com>' IDENTIFIED WITH 'test';
(Note: Replace 
'test'
with your security integration name if you want to bind this specific user to that integration.) 3. Authentication Chain Logic In your configuration, you set 
"authentication_chain" = "native, test"
. * StarRocks first checks if 
<mailto:marian.s@scoutbytes.com|marian.s@scoutbytes.com>
is a native user. * If it doesn't find a native user with that name (or if the password fails), it moves to the 
test
(OAuth2) integration. * Since the 
mysql
client doesn't send an OAuth2 token or handle the redirect, the authentication fails at this stage. 4. Important Constraint on OAuth2 According to StarRocks documentation, there are restrictions on combining OAuth2 with other methods in the `authentication_chain`:
"You cannot specify multiple OAuth 2.0 security integrations or one with other security integrations."
While 
native
is usually the exception to allow 
root
login, ensure your StarRocks version (3.3.x/3.4.x+) fully supports the specific chain you are using. Troubleshooting Steps: 1. Verify User Existence: Run 
SHOW USERS;
to see if the user exists and what their authentication host/method is. 2. Use Web UI: Try logging into the StarRocks Web UI (usually port 8030) using the OAuth2 button. If that works, your Security Integration properties (URLs, Client ID, etc.) are correct. 3. Check FE Logs: Look at 
fe.log
and 
fe.warn.log
. They often contain the specific reason for the "Access denied" (e.g., "JWT validation failed", "User not found", or "Unsupported authentication protocol"). 4. Identity Mapping: Ensure the 
principal_field
(which you set to 
preferred_username
) in your Azure AD token exactly matches the username 
<mailto:marian.s@scoutbytes.com|marian.s@scoutbytes.com>
you are using to log in. If you specifically need CLI access with OAuth2, you may need to use a JDBC-based tool with the StarRocks OAuth2 plugin, as the native MySQL CLI cannot perform the browser-based login required by Azure AD. References • administration/user_privs/authentication/security_integration.md • administration/user_privs/authentication/oauth2_authentication.md
It looks like you are trying to use an external authentication method by setting the 
authentication_chain
, but you're encountering an 
Access denied
error. The error 
ERROR 1045 (28000): Access denied for user '<mailto:marian.s@scoutbytes.com|marian.s@scoutbytes.com>' (using password: NO)
indicates that the MySQL client is not sending a password, and StarRocks is rejecting the connection because the authentication method(s) in your chain require one. Here are the steps to troubleshoot and fix this: 1. Verify the Security Integration The name 
test
in your 
authentication_chain
must correspond to a Security Integration that you have already created. If you haven't created one, StarRocks won't know how to handle "test". Run this command to check:
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sql
SHOW SECURITY INTEGRATIONS;
If 
test
is not in the list, you need to create it first (e.g., for LDAP, JWT, etc.). For example:
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sql
CREATE SECURITY INTEGRATION test 
PROPERTIES (
    "type" = "authentication_ldap_simple",
    ... -- other ldap properties
);
2. Provide a Password in the Client External authentication methods like LDAP or Native users (unless they have an empty password) require a password to be passed during login. Your 
docker run
command is missing the 
-p
flag: Try adding the password prompt:
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bash
docker run -it --rm mysql:9.2 mysql \
 -h <http://k8s-starrock-starrock-531efebc63-94b9b34a44bfcb1f.elb.ap-southeast-1.amazonaws.com|k8s-starrock-starrock-531efebc63-94b9b34a44bfcb1f.elb.ap-southeast-1.amazonaws.com> \
 -P 9030 \
 -u "<mailto:marian.s@scoutbytes.com|marian.s@scoutbytes.com>" -p
3. Check for Native User Conflicts StarRocks prioritizes Native authentication if a local user with that exact name exists. • Run 
SHOW USERS;
to see if 
<mailto:marian.s@scoutbytes.com|marian.s@scoutbytes.com>
exists as a native user. • If it exists natively, StarRocks will try to authenticate it using the native password/plugin first (regardless of the chain order in some versions, or as the first step in 
native,test
). • If you want to use the Security Integration (
test
), ensure the user is not created natively, OR ensure you are providing the correct password for the native user. 4. Check FE Logs for Details If you still can't log in, the FE logs will provide the exact reason for the failure (e.g., "LDAP server unreachable", "Invalid credentials", or "Security integration test not found"). Check your 
fe/log/fe.warn.log
or 
fe.log
on the leader FE node. Summary of 
authentication_chain
behavior: * 
native,test
: StarRocks first checks if 
<mailto:marian.s@scoutbytes.com|marian.s@scoutbytes.com>
is a native user. If yes, it authenticates natively. If the user doesn't exist natively, it tries the 
test
security integration. * 
test,native
: StarRocks first tries to authenticate via the 
test
security integration. If that fails (e.g., user not found in LDAP), it then checks if there is a native user. Note: If you are using Security Integration (like LDAP) without pre-creating users in StarRocks, you generally also need an external authorization system (like Apache Ranger) because native StarRocks RBAC requires the user to exist in the system to hold privileges. References • administration/user_privs/authentication/security_integration.md • best_practices/authentication_authorization.md
m
@Rocky With the security integration, you do not need to manually create users within StarRocks I do not need to create use manually
r
Hi! I'm Rocky. You are absolutely correct! When you use the Security Integration feature (introduced in StarRocks v3.3/v3.4+), you do not need to manually create every user within StarRocks. Here is how it works and why it’s different from the traditional approach: 1. Security Integration (The "No Manual User" Way) When you set up a Security Integration (for LDAP, OAuth 2.0, or JWT), StarRocks treats external users as session-based dummy users. * Automatic Login: When a user logs in via the external system, StarRocks authenticates them against that system. * Ephemeral Users: If authentication succeeds, StarRocks creates a temporary, session-scoped user object. This user does not persist in the StarRocks metadata and is discarded once the session ends. * How Permissions Work: Since the user isn't "pre-created," you typically manage permissions by mapping External Groups to StarRocks Roles using a Group Provider. When the user logs in, they automatically inherit the roles assigned to their group. 2. Native User with External Auth (The "Manual" Way) Previously (or if you choose this specific path), you would use 
CREATE USER 'username' IDENTIFIED WITH...
. * In this scenario, the user must be pre-created in the StarRocks cluster. * StarRocks still uses the external system (like LDAP) to check the password, but the user account itself exists explicitly in StarRocks metadata. How to enable the "No Manual User" flow: To ensure StarRocks looks at your security integration instead of just checking the local user list, you need to configure the 
authentication_chain
in your FE configuration:
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sql
-- 1. Create the integration
CREATE SECURITY INTEGRATION my_ldap_integration 
PROPERTIES (
    "type" = "authentication_ldap_simple",
    ...
);

-- 2. Add it to the authentication chain
ADMIN SET FRONTEND CONFIG ("authentication_chain" = "native, my_ldap_integration");
By adding your integration to the 
authentication_chain
, StarRocks will first check if a "native" user exists; if not, it will attempt to authenticate the user through the security integration and create that temporary session for them. Is there a specific system (LDAP, Okta, etc.) you are looking to integrate? I'd be happy to help with the syntax! References • administration/user_privs/authentication/security_integration.md • best_practices/authentication_authorization.md
m
@Rocky how to check time when snapshot has to be created?
r
To check the timing and status of snapshots in StarRocks, the method depends on whether you are using Automated Cluster Snapshots (typically for shared-data clusters) or Manual Backup Snapshots. 1. Automated Cluster Snapshots (Shared-data) If you have enabled automated cluster snapshots, StarRocks automatically creates a snapshot after metadata checkpoints based on a specific interval. * To check the creation time of existing snapshots: Query the 
information_schema.cluster_snapshots
view. The 
created_time
column indicates when each snapshot was generated.
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sql
    SELECT snapshot_name, created_time, storage_volume
    FROM information_schema.cluster_snapshots;
* To check the status and timing of snapshot jobs: Query the 
information_schema.cluster_snapshot_jobs
view to see the history of jobs, including when they started and finished.
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sql
    SELECT snapshot_name, job_id, created_time, finished_time, state
    FROM information_schema.cluster_snapshot_jobs;
* To check the scheduled interval: The frequency is controlled by the FE configuration 
automated_cluster_snapshot_interval_seconds
(default is 600 seconds/10 minutes). You can check its value using:
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sql
    ADMIN SHOW FRONTEND CONFIG LIKE 'automated_cluster_snapshot_interval_seconds';
2. Manual Backup Snapshots For standard backup and restore operations where snapshots are created manually: * To check the snapshot timestamp: Use the 
SHOW SNAPSHOT
command on your repository to see the exact timestamp associated with a backup.
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sql
    SHOW SNAPSHOT ON <your_repo_name>;
This will return a 
Timestamp
column (e.g., 
2023-10-27-10-15-00-000
) which is used for restoration. 3. Internal BE Snapshot Expiration If you are looking for how long temporary snapshots (like those used for cloning or rebalancing) are kept on the Backend (BE), you can check the BE configuration: * `snapshot_expire_time_sec`: The expiration time for snapshot files (default is 48 hours).
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sql
    -- Check via the leader FE
    SHOW BACKENDS\G
(You would look at the 
snapshot_expire_time_sec
parameter in the BE configuration file or via the HTTP API). Summary Recommendation: * To see when the last one was made: Check 
information_schema.cluster_snapshots
(Automated) or 
SHOW SNAPSHOT
(Manual). * To see how often they occur: Check the FE config 
automated_cluster_snapshot_interval_seconds
. References • administration/cluster_snapshot.md • administration/management/Backup_and_restore.md • sql-reference/sql-statements/backup_restore/SHOW_SNAPSHOT.md • administration/management/BE_configuration.md
m
@Rocky can I get notification wehn backup is done?
r
Hello! I'm Rocky. Currently, StarRocks does not have a built-in native notification system (like direct email or Slack alerts) that triggers automatically when a backup job finishes. However, you can achieve this by using one of the following methods: 1. Polling via SQL Backup tasks in StarRocks are asynchronous. You can check the progress and completion status by running the following command:
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sql
SHOW BACKUP FROM <database_name>;
The 
State
column will show 
FINISHED
once it's complete, or 
CANCELLED
if it fails. 2. Automation Script (Recommended) You can write a simple wrapper script (in Python or Bash) to automate the notification: 1. Execute the 
BACKUP SNAPSHOT
command. 2. Periodically run 
SHOW BACKUP
to check the status. 3. Once the status changes to 
FINISHED
or 
ERROR
, have the script send a notification to your preferred channel (Slack webhook, Email, etc.). 3. Monitoring & Alerting StarRocks exports various metrics to Prometheus. While there isn't always a specific "backup finished" metric, you can monitor the state of the cluster or use external monitoring tools to track the completion of these operations and set up alerts through Prometheus Alertmanager or Grafana. If you are looking for a more managed experience, StarRocks' ecosystem tools or cloud offerings might provide more integrated monitoring for these tasks.
m
@Rocky no hooks?
r
It sounds like you're looking for "hooks" in StarRocks—perhaps for pre-processing queries, auditing, or triggering actions. While StarRocks doesn't use the specific term "hooks" for a single feature, here are the ways you can achieve similar functionality: 1. Query Rewrite/Transformation: If you want to intercept and modify incoming SQL queries, StarRocks supports Query Rewrite based on materialized views and has internal mechanisms for query optimization. For custom SQL transformations, these are typically handled at the application or middleware layer (like a proxy). 2. Load Transformations: For data ingestion (Stream Load, Routine Load), you can use the 
COLUMNS
clause to perform transformations, functions, and filtering during the load process. This acts as a "pre-commit hook" for your data. 3. Audit Logging: If you need "hooks" for monitoring, the Audit Loader can be configured to export query logs to a StarRocks table for analysis, allowing you to track every query executed. 4. External Orchestration: Many users use dbt (data build tool) with StarRocks, which supports 
pre-hook
and 
post-hook
configurations to run SQL before or after a model is built. 5. Routine Load / Pipe: For continuous data, the Pipe and Routine Load features allow for automated data movement without manual intervention. Could you clarify what you're trying to achieve? For example, are you looking to trigger a script after a load finishes, or modify a SQL statement before it runs? I can give you a more specific solution!
m
r
Hi! I'm Rocky. Based on the documentation and standard StarRocks practices, snapshots are typically created as part of the Backup and Restore process. To check whether a snapshot (backup) operation is complete, the standard method is using SQL commands rather than a dedicated "snapshot" REST endpoint, although you can trigger these SQL commands via the RESTful Query API. Here is how you can check the status: 1. Using SQL (Recommended) You can check the progress and result of a backup (snapshot) task using:
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sql
SHOW BACKUP FROM <database_name>;
This will return the state of the task, such as 
PENDING
, 
SNAPSHOTING
, 
UPLOAD_SNAPSHOT
, or 
FINISHED
. Similarly, for a restore:
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sql
SHOW RESTORE FROM <database_name>;
2. Using REST API (via Query API) Since you referenced the RESTful API standard, if you need to check this programmatically without a persistent SQL connection, you can use the StarRocks Query API to execute the 
SHOW BACKUP
command: * Endpoint: 
POST /api/query/default_cluster/<database_name>
* Body: 
{"sql": "SHOW BACKUP"}
3. Low-level BE Snapshots (For Advanced Use) If you are referring to the internal snapshots generated by Backend (BE) nodes (often used for manual data migration), there are internal HTTP endpoints on the BE (usually port 
8040
), but these are typically for internal system use and not recommended for standard backup workflows. Summary: If you want to know if a snapshot is "done," use 
SHOW BACKUP
. If the state is 
FINISHED
, the snapshot is complete and stored in your defined repository. If you have a different type of "snapshot" in mind (e.g., related to a specific feature like Primary Key table persistent indexes or external catalogs), please let me know!
m
@Rocky flagging a few StarRocks errors: DEV - BE memory limit exceeded https://grafana.dev.engagerocket.co/goto/eferwfh0mzlz4d?orgId=1 A large SELECT DISTINCT on surveys (~2,500+ IDs in IN clause) joined with units is exceeding BE process memory (~902 MB used). Error: Memory of process exceed limit. DEMO - Arrow Flight auth failure in Jupyter https://grafana.demo.engagerocket.co/goto/aferww94wqfb4d?orgId=1 Jupyter fails during authenticate_basic_token() to StarRocks FE in split mode. Error: FlightInternalError: Could not finish writing before closing. Happened previously but not all the time should we be concerned if it recurs? DEMO - ETL data not flowing after merge https://grafana.demo.engagerocket.co/goto/cfesben18o934a?orgId=1 After merging ETL to demo (~2hrs ago), S3 CSV ingestion into surveys_staging_main_excluding_urgent is rejecting rows. Error: Insert has filtered data, txn_id = 67993. Can check information_schema.load_tracking_logs (job_id=78047) for filtered row details. Data is currently not flowing via non-historical ETL.
r
Hello! I'm Rocky. I've analyzed the errors you're seeing across your DEV and DEMO environments. Here are some insights and recommended actions for each: *1. DEV - BE memory limit exceeded* The error 
Memory of process exceed limit
occurs when a Backend (BE) node surpasses its allocated memory. * The Cause: A 
SELECT DISTINCT
combined with a large 
IN
clause (~2,500 IDs) and a join is memory-intensive. StarRocks needs to build hash tables for both the join and the duplicate removal. * Observation: 902 MB is a very low memory footprint for a StarRocks BE. Typically, StarRocks expects much higher limits (the default 
mem_limit
is usually 90% of total RAM). * Recommendations: * Check BE Config: Check 
be.conf
for the 
mem_limit
parameter. If the machine has more RAM, increase this value (e.g., 
mem_limit = 80%
). * Query Optimization: Instead of a massive 
IN
clause, try loading those 2,500 IDs into a temporary table and joining against it. This allows the StarRocks cost-based optimizer (CBO) to handle the data more efficiently. * Session Variable: You can try increasing the pipeline scan memory limit for the session:
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sql
        SET exec_mem_limit = 2147483648; -- Set to 2GB or higher
*2. DEMO - Arrow Flight auth failure in Jupyter* The error 
FlightInternalError: Could not finish writing before closing
during 
authenticate_basic_token()
usually points to a communication timeout or a sudden disconnection between the Jupyter client and the StarRocks FE. * Is it a concern? If it's intermittent, it might be due to transient network congestion or the FE being momentarily overloaded. If it recurs frequently, it indicates a handshake timeout. * Recommendations: * FE Logs: Check 
fe.warn.log
on the leader FE at the exact timestamp of the failure. It will often show if the authentication was rejected or if the connection dropped. * Connection Persistence: Ensure there are no load balancers or proxies between Jupyter and StarRocks that might be prematurely closing idle gRPC/Arrow Flight connections. *3. DEMO - ETL data not flowing (Filtered Data)* The error 
Insert has filtered data
means the ingestion started but some rows were rejected because they didn't match the table schema. * Troubleshooting: Since you have the 
job_id
, you can run this query to see exactly why the rows were rejected (e.g., data type mismatch, NULL in a NOT NULL column, or string length exceeding the limit):
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    SELECT * FROM information_schema.load_tracking_logs
    WHERE job_id = 78047;
* Common Causes: * A new column was added to the CSV but not the table (or vice versa). * A column containing 
NULL
values is being mapped to a 
NOT NULL
column in StarRocks. * Data contains special characters or delimiters that are causing column misalignment. * Quick Fix: If you want to allow the load to proceed despite a few errors, you can set the 
max_filter_ratio
(e.g., 
0.1
for 10% tolerance), but it's better to fix the data/mapping first. Let me know if you'd like me to dive deeper into any of these logs!
m
@Rocky mysql> SELECT * FROM information_schema.load_tracking_logs -> WHERE job_id = 78047; +-------+--------+---------------------------------------------+---------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--------+ | ID | JOB_ID | LABEL | DATABASE_NAME | TRACKING_LOG | TYPE | +-------+--------+---------------------------------------------+---------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--------+ | 78047 | 78047 | insert_c2fd734f-160a-11f1-93e9-8ede275c174d | dashboards | Failed to access http://10.2.91.130:8040/api/_load_error_log?file=error_log_c2fd734f160a11f1_93e98ede275c174e err: Internal error: Failed to connect to 10.2.91.130 port 8040 after 2119 ms: Couldn't connect to server be/src/exec/schema_scanner/schema_load_tracking_logs_scanner.cpp:141 client->execute(&tracking_msg) | INSERT | +-------+--------+---------------------------------------------+---------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--------+ 1 row in set (7.42 sec) mysql>
r
Hi, I'm Rocky. It looks like you're encountering a connectivity issue when StarRocks tries to retrieve the detailed error logs for your load job. The error message 
Failed to connect to 10.2.91.130 port 8040: Couldn't connect to server
indicates that the node where the query is being executed (likely an FE or another BE) cannot reach the Backend (BE) node at 
10.2.91.130
on its HTTP port (
8040
). When you query 
information_schema.load_tracking_logs
, StarRocks attempts to fetch the specific error details directly from the BE that handled the load. If that BE is unreachable, the query fails with this error. Troubleshooting Steps: 1. Check BE Status: Verify if the BE at 
10.2.91.130
is alive.
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    SHOW BACKENDS;
Look for the row where 
IP
is 
10.2.91.130
and check if 
Alive
is 
true
. If it's 
false
, the BE process might have crashed or stopped. 2. Verify Port Connectivity: Ensure that port 
8040
(the default 
be_http_port
) is open and accessible from other nodes in the cluster. You can test this from another node using 
curl
or `telnet`:
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    curl -I <http://10.2.91.130:8040/api/health>
If this fails, check your firewall (e.g., 
iptables
, 
firewalld
, or security groups in cloud environments) to ensure traffic is allowed on port 
8040
. 3. Check BE Configuration: Confirm that the BE is indeed using port 
8040
. Check the 
be.conf
file on that node for the 
be_http_port
setting. If it's set to a different value, StarRocks should usually know this via the FE metadata, but network issues remain the most likely culprit. 4. Check BE Logs: If the BE is running but still unreachable, check the 
be.out
or 
<http://be.INFO|be.INFO>
logs on node 
10.2.91.130
for any errors related to the HTTP server or network initialization. If the BE is down, you'll need to restart it. If it's a network/firewall issue, you'll need to update your network rules to allow internal cluster communication on the required ports.
m
@Rocky can I do disaster recovery from another s3 bucket that is wasn't in origin configuration?
r
Yes, you can perform disaster recovery from a different S3 bucket that was not part of your original cluster's configuration. In StarRocks, the relationship between the cluster and the backup storage (S3) is defined by a Repository. As long as the backup data (snapshots) exists in an S3 bucket and you have the necessary permissions, you can connect any StarRocks cluster to that bucket to perform a restore. Here is how you can achieve this: 1. Create a Repository pointing to the new bucket Even if the new cluster was not originally configured to use this bucket, you can define a new repository that points to it.
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CREATE REPOSITORY `dr_repo`
WITH S3 (
    "endpoint" = "<http://s3.amazonaws.com|s3.amazonaws.com>",
    "region" = "us-east-1",
    "bucket" = "your-new-dr-bucket-name", -- This can be a different bucket
    "access_key" = "YOUR_ACCESS_KEY",
    "secret_key" = "YOUR_SECRET_KEY"
);
2. Restore the data Once the repository is created, StarRocks will look into that bucket for existing snapshots. You can then run the 
RESTORE
command:
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RESTORE TABLE your_database.your_table
FROM `dr_repo`
AS "snapshot_name"
PROPERTIES ("backup_timestamp" = "2023-10-01-10-00-00");
Important Considerations: * Data Migration: If the snapshot was originally created in Bucket A and you want to restore from Bucket B, you must ensure that the entire contents of the backup folder were copied correctly from Bucket A to Bucket B. * Permissions: The StarRocks FE and BE nodes must have network access to the new S3 bucket and the credentials provided must have 
GetObject
, 
ListBucket
, etc., permissions. * Shared-data Clusters: If you are using StarRocks' Shared-data mode (where data resides directly on S3 rather than being a snapshot), disaster recovery typically involves pointing a new FE/BE cluster to the existing S3 storage root. You can configure a new cluster to use an existing bucket by setting the 
storage_root_path
(or similar object storage configurations) to the path of your existing data. In summary: StarRocks is flexible with its repository definitions. You are not "locked" to the original bucket configuration for recovery purposes.
m
@Rocky but im using cluster snapshot
r
That’s a great clarification! If you are using the Cluster Snapshot feature, it’s important to note that this is specifically designed for StarRocks Shared-data clusters (available starting from version 3.1). Unlike the traditional 
BACKUP
and 
RESTORE
commands (which operate at the database or table level and copy data), Cluster Snapshots capture the state of the entire cluster by leveraging the underlying object storage. Here is a quick breakdown of how to manage them and some things to keep in mind: 1. Basic Commands To manage cluster snapshots, you use the following syntax: * Create a snapshot:
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    CREATE CLUSTER SNAPSHOT snapshot_name;
* View existing snapshots:
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    SHOW CLUSTER SNAPSHOTS;
* Delete a snapshot:
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    DROP CLUSTER SNAPSHOT snapshot_name;
2. Why use it over standard Backup? * Efficiency: It doesn't physically move data. It creates a point-in-time reference to your metadata and the data files already stored in S3/OSS/GCS. * Speed: It is nearly instantaneous regardless of data volume. * Full Recovery: It allows you to restore the entire cluster state, including users, privileges, and all databases, to a specific point in time. 3. Common Considerations * Shared-data Architecture: This feature is only available for clusters running in shared-data mode. If you are on a shared-nothing (local storage) cluster, you must use the standard 
BACKUP TO repository
approach. * Storage Cleanup: When you drop a snapshot, StarRocks will eventually clean up the data files that are no longer referenced by any snapshot or the current cluster state. * Restoration: Restoring from a cluster snapshot typically involves setting specific configurations when starting a new cluster or performing a rollback operation. If you are running into a specific error while using cluster snapshots, could you please provide the error message? I can help troubleshoot whether it's related to permissions, storage configuration, or version compatibility.
m
@Rocky how to check wheater there is conf related to oauth2 through mysql cli?
r
To check for configurations related to OAuth2 through the MySQL CLI in StarRocks, you can use the 
ADMIN SHOW FRONTEND CONFIG
command. OAuth2 settings are typically managed at the Frontend (FE) level. Here are the steps to check: 1. View Frontend Configurations You can use the 
LIKE
operator to filter for "oauth" related parameters:
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ADMIN SHOW FRONTEND CONFIG LIKE '%oauth%';
2. Check Authentication Type OAuth2 is often part of the authentication configuration. You can check the general authentication settings to see if it's enabled:
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ADMIN SHOW FRONTEND CONFIG LIKE '%authentication%';
3. What to look for In the output, you might see parameters such as: * `authentication_type`: This defines the global authentication method (e.g., 
LDAP
, 
OIDC
, 
OAuth2
). * 
oauth2_client_id
/ 
oauth2_client_secret
(if supported in your specific version/integration). * 
oauth2_jwks_url
. Alternative: Checking Session Variables While OAuth2 configurations are usually global FE configs, you can also check if there are any related session or global variables using:
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SHOW VARIABLES LIKE '%oauth%';
Note: If you find that the configuration you need is not set, you can modify FE configurations dynamically (if they are mutable) using:
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ADMIN SET FRONTEND CONFIG ("parameter_name" = "value");
Otherwise, you may need to edit the 
fe.conf
file on your FE nodes and restart the service.
To check for configuration settings related to OAuth2 in StarRocks via the MySQL CLI, you can use the 
ADMIN SHOW FRONTEND CONFIG
command. OAuth2 configurations are primarily managed at the Frontend (FE) level. You can run the following command to filter for any configuration keys containing "oauth":
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ADMIN SHOW FRONTEND CONFIG LIKE '%oauth%';
Explanation of the command: * 
ADMIN SHOW FRONTEND CONFIG
: This command displays the configuration parameters for the Frontend nodes. * 
LIKE '%oauth%'
: This filters the output to show only the keys that contain the string "oauth" (case-insensitive in many versions, but typically lowercase in config keys). Common OAuth2 Parameters: If OAuth2 is configured, you might see parameters such as: * 
oauth2_client_id
* 
oauth2_client_secret
* 
oauth2_issuer
* 
oauth2_jwks_url
Checking Global Variables: If you are looking for session or global variables that might affect authentication behavior, you can also check:
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SHOW VARIABLES LIKE '%oauth%';
Note: If you are looking for configuration on the Backend (BE) nodes, you would use 
ADMIN SHOW BACKEND CONFIG;
, though OAuth2 is typically handled by the FE.
m
@Rocky mysql -h k8s-starrock-starrock-531efebc63-94b9b34a44bfcb1f.elb.ap-southeast-1.amazonaws.com -P 9030 -uroot -p Enter password: ERROR 1064 (HY000): Reach user-level(qualifiedUser: root) connection limit, currentUserMaxConn=1024, connectionMap.size=1024, connByUser.totConn=1024, user.currConn=1024, node=starrocks-fe-1.starrocks-fe-search.starrocks.svc.cluster.local:9010
r
The error message you're seeing indicates that the root user has reached the maximum allowed concurrent connections for that FE node. In StarRocks, this is typically governed by a combination of a global FE configuration and a per-user property. 1. Increase the Global Connection Limit (
qe_max_connection
) By default, each StarRocks FE allows a maximum of 1024 concurrent connections. You can increase this by modifying the 
fe.conf
file on your FE nodes. * Modify 
fe.conf
: Add or update the following parameter:
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    qe_max_connection = 2048
* Restart the FE for the changes to take effect. * Dynamic Change (Optional): You can try to change it without a restart using the following command (if you can still get a connection in):
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    ADMIN SET FRONTEND CONFIG ("qe_max_connection" = "2048");
2. Increase User-Level Connection Limit If the global limit is high enough but the specific user is capped, you can update the user's property. For the 
root
user:
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SET PROPERTY FOR 'root' 'max_user_connections' = '2048';
3. Troubleshooting Connection Leaks If you hit this limit unexpectedly, it often points to a connection leak in the application layer (e.g., connection pools not being closed properly). * Check current connections: If you can manage to log in (perhaps by killing an idle process or connecting to a different FE node in the cluster), run:
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    SHOW PROCESSLIST;
This will show you which hosts and users are occupying the connections. * Kill idle connections: You can terminate specific sessions using:
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    KILL [CONNECTION] process_id;
Summary of the Error * `currentUserMaxConn=1024`: The current limit enforced for the user. * `connectionMap.size=1024`: The total number of active connections on this FE. * `user.currConn=1024`: The number of connections currently held by 
root
. Since all these values are 1024, you have exactly hit the default bottleneck. Increasing 
qe_max_connection
is the standard solution.
m
@Rocky How to handle that properly i wont always increase this limitsmysql -h k8s-starrock-starrock-531efebc63-94b9b34a44bfcb1f.elb.ap-southeast-1.amazonaws.com -P 9030 -uroot -p Enter password: ERROR 1064 (HY000): Reach user-level(qualifiedUser: root) connection limit, currentUserMaxConn=1024, connectionMap.size=1024, connByUser.totConn=1024, user.currConn=1024, node=starrocks-fe-1.starrocks-fe-search.starrocks.svc.cluster.local:9010
r
Hello! I'm Rocky. It looks like your 
root
user has hit the concurrent connection limit allowed by StarRocks. The error indicates that there are currently 1024 active connections for that user, which is the default or configured maximum. To handle this properly without just continuously increasing the limit, here are the recommended steps: 1. Implement Connection Pooling The most common cause for this error is an application that opens a new connection for every query but doesn't close them correctly or reuse them. • Action: Use a connection pooler in your application (e.g., HikariCP, Druid, or Commons DBCP for Java; SQLAlchemy for Python). • Benefit: This keeps a set number of connections open and reuses them, significantly reducing the connection overhead and preventing the "limit reached" error. 2. Check and Manage Active Connections You should investigate where these 1024 connections are coming from. • Run the following command (if you can get a connection, perhaps by closing an existing one or using a different user):
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sql
  SHOW PROCESSLIST;
• Look for connections that have been in the 
Sleep
state for a long time. This usually indicates that the application is not closing connections properly. 3. Adjust Idle Connection Timeouts If you have many idle connections, you can reduce the time StarRocks waits before closing them automatically. • Check the current timeout: 
SHOW VARIABLES LIKE 'wait_timeout';
• Set a shorter timeout (e.g., 1 hour instead of the default 8 hours):
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  SET GLOBAL wait_timeout = 3600;
4. Adjust the User Property If your workload legitimately requires more than 1024 concurrent connections for the 
root
user, you can increase the property specifically for that user:
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SET PROPERTY FOR 'root' 'max_user_connections' = '2048';
Note: It is generally a best practice to use a non-root user for application traffic and set limits appropriately for different service accounts. 5. Check FE Global Limits If the issue is shared across all users, you might be hitting the FE global connection limit defined in the FE configuration (
fe.conf
). • Parameter: 
qe_max_connection
(Default is often 1024). • If you need to change this, you must modify 
fe.conf
and restart the FE, or use:
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  ADMIN SET FRONTEND CONFIG ("qe_max_connection" = "2048");
Recommendation: Start by checking your application's connection logic and implementing a pooler. Increasing the limit to 1024 is already quite high for a single user, and usually, the root cause is "leaked" connections.
m
@Rocky How to indentefiy audit logs?
r
Hi! I'm Rocky. It looks like you're looking for information on how to identify and find audit logs in StarRocks. Audit logs are essential for tracking SQL execution, monitoring performance, and troubleshooting. Here is how you can identify and manage them: 1. Finding the Audit Log File By default, the Frontend (FE) records all audit logs in a file named 
fe.audit.log
. • Location: You can typically find it in the 
log/
directory of your StarRocks FE installation path (e.g., 
starrocks/fe/log/fe.audit.log
). • Content: This file contains detailed information for every query, such as: • 
QueryId
• 
User
• 
ClientIP
• 
Database
• 
Sql
(the actual statement executed) • 
ExecutionTime
(total time, CPU time, etc.) • 
ReturnRows
2. Configuration in 
fe.conf
 You can customize how audit logs are handled by modifying the 
fe.conf
file: • 
audit_log_dir
: Specifies the directory where audit logs are saved. • 
audit_log_roll_num
: Specifies how many old log files to keep (log rotation). • 
audit_log_modules
: Defines which modules to log (default is usually 
slow_query
and 
query
). 3. Querying Audit Logs via SQL (StarRocks 2.x+) StarRocks also provides a way to export audit logs into an internal table, making them queryable directly using SQL. • Often, these are stored in a database called 
starrocks_monitor
or similar, depending on your setup. • You can enable the Audit Loader plugin to automatically sink these logs into a StarRocks table (e.g., 
starrocks_audit_tbl__
). This allows you to run queries like:
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sql
  SELECT * FROM starrocks_monitor.starrocks_audit_db__ WHERE query_time > 1000;
4. Identifying "Slow Queries" If you are looking specifically for slow queries, they are also recorded in 
fe.audit.log
. You can identify them by checking the 
IsQuery
and 
Time
columns. StarRocks often marks queries exceeding a certain threshold (configured by 
qe_slow_log_ms
) as slow logs. If you need help with a specific configuration or parsing a log line, feel free to ask!
m
@Rocky how to do something fake that will apear in fe,audit.log file?
r
Hi! I'm Rocky. The 
fe.audit.log
in StarRocks is designed to record all SQL queries and commands sent to the Frontend (FE) for auditing, troubleshooting, and monitoring purposes. If you want to trigger an entry in the audit log with specific text (for example, to test if your log rotation is working or to verify that a log monitoring tool is picking up certain keywords), you can simply execute a SQL statement that includes that text. The audit log typically records the full SQL string. You can "inject" your desired text in a few ways: 1. Using SQL Comments You can add a comment to any valid SQL statement. This is a common practice for "tagging" queries so they can be easily identified in logs or query profile lists.
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-- This is my custom test tag
SELECT 1;

/* ID: 9999, Action: Fake_Verification_Test */
SELECT count(*) FROM my_table;
2. Using String Literals You can include your "fake" or test text as a string in a 
SELECT
statement.
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SELECT 'Testing_Audit_Log_Entry' AS test_field;
What appears in the 
fe.audit.log
? Each entry in the 
fe.audit.log
usually contains: * Timestamp: When the query was executed. * Client IP: The IP address of the machine that sent the query. * User: The StarRocks user account used for the connection. * Db: The database context. * Sql: The actual text of the query (this is where your "fake" or custom strings will appear). * Execution Time: How long the query took. Note on Security and Metadata It is important to note that you cannot easily "fake" the metadata like the User or Client IP within the SQL command itself. These are captured by the FE based on the actual network connection and authentication session. To change those fields in the log, you would need to connect from a different IP or log in as a different user. If you are trying to test log filtering or alerting rules, using comments as shown above is the standard and safest way to do it!
m
@Rocky mysql> show databases; ERROR 5207 (42000): ?response_type=code&client_id=&redirect_uri=&state=16844748&scope=openid mysql>why incorrect url?
r
Hello! It looks like you've encountered a specific behavior introduced in StarRocks v3.5.0 related to OAuth 2.0 Authentication. The error message 
ERROR 5207 (42000)
followed by a URL is actually an authentication challenge. When a user is configured to authenticate via OAuth 2.0, StarRocks returns a redirect URL that you are supposed to visit in your web browser to complete the login process. Why the URL is "incorrect" (broken) The reason you see empty parameters like 
client_id=
and 
redirect_uri=
in that URL is likely because the OAuth 2.0 configurations in the FE (Front End) are missing or incomplete. If the administrator has enabled OAuth 2.0 but hasn't set the required parameters in 
fe.conf
, StarRocks generates a "broken" URL string. How to fix it To resolve this, you need to ensure the following configurations are correctly set in your 
fe.conf
file (and the FE is restarted): 1. 
oauth2_auth_server_url
: The authorization URL of your Identity Provider (e.g., Okta, Keycloak). 2. 
oauth2_client_id
: The public identifier for your StarRocks client. 3. 
oauth2_redirect_url
: Usually configured as 
http://<starrocks_fe_url>:<fe_http_port>/api/oauth2
. 4. 
oauth2_token_server_url
: The endpoint to exchange the code for a token. 5. 
oauth2_jwks_url
: The URL to the JSON Web Key Set. Alternatively, if you created the user manually, check your 
CREATE USER
statement. It should look something like this:
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CREATE USER 'your_user' IDENTIFIED WITH authentication_oauth2 AS 
'{
  "auth_server_url": "<https://auth.example.com/auth>",
  "client_id": "your_client_id",
  "redirect_url": "<http://your_fe_ip:8030/api/oauth2>",
  ...
}';
How to use it once fixed Once the configuration is fixed, the process is: 1. Try to connect or run a query via the MySQL client. 2. StarRocks will return a valid URL. 3. Copy and paste that URL into your browser. 4. Log in through your Identity Provider. 5. After successful login, you can return to your MySQL terminal and continue your session. Note: For the best experience with OAuth 2.0 and native MySQL clients, it is recommended to use MySQL Client version 9.2 or later, which provides better support for the OpenID pluggable authentication protocol. References • sql-reference/Error_code.md • faq/Deploy_faq.md • administration/Meta_recovery.md
m
1. 
oauth2_auth_server_url
: The authorization URL of your Identity Provider (e.g., Okta, Keycloak). 2. 
oauth2_client_id
: The public identifier for your StarRocks client. 3. 
oauth2_redirect_url
: Usually configured as 
http://<starrocks_fe_url>:<fe_http_port>/api/oauth2
. 4. 
oauth2_token_server_url
: The endpoint to exchange the code for a token. 5. 
oauth2_jwks_url
: The URL to the JSON Web Key Set. @Rocky how to check this parametrs trhogh cli?
r
To check these OAuth2 configuration parameters through the StarRocks CLI (using a MySQL client), you can use the 
ADMIN SHOW FRONTEND CONFIG
command. Since these are FE (Frontend) configuration parameters typically defined in your 
fe.conf
file, you can filter for them using the 
LIKE
clause. 1. Check FE Configuration Parameters Run the following command to see all OAuth2-related configurations currently active on the Frontend:
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sql
ADMIN SHOW FRONTEND CONFIG LIKE '%oauth2%';
This will return a table showing the 
Key
, 
Value
, 
Type
, and whether it is 
IsMutable
(can be changed without a restart). Note that most OAuth2 parameters are not mutable and require an FE restart if changed in 
fe.conf
. ────────── 2. Check Security Integrations (if applicable) If you have configured OAuth2 using the Security Integration feature (introduced in v3.5), those parameters are stored within the integration object rather than just the global 
fe.conf
. * To list all security integrations:
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    SHOW SECURITY INTEGRATIONS;
* To see the specific parameters of an integration:
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    DESC SECURITY INTEGRATION <your_integration_name>;
3. Check Per-User OAuth2 Settings If you have configured OAuth2 specifically for a single user using the 
CREATE USER ... IDENTIFIED WITH authentication_oauth2 AS '{"..."}'
syntax, you can check those properties by inspecting the user definition:
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SHOW CREATE USER <username>;
Summary of parameters you are looking for: Parameter | Command to check 
oauth2_auth_server_url
| 
ADMIN SHOW FRONTEND CONFIG LIKE 'oauth2_auth_server_url';
oauth2_client_id
| 
ADMIN SHOW FRONTEND CONFIG LIKE 'oauth2_client_id';
oauth2_redirect_url
| 
ADMIN SHOW FRONTEND CONFIG LIKE 'oauth2_redirect_url';
oauth2_token_server_url
| 
ADMIN SHOW FRONTEND CONFIG LIKE 'oauth2_token_server_url';
oauth2_jwks_url
| 
ADMIN SHOW FRONTEND CONFIG LIKE 'oauth2_jwks_url';
Note: If the values appear empty, it means they have not been set in the 
fe.conf
or passed via the CLI yet. These features were introduced in v3.5.0. References • administration/management/FE_configuration.md • administration/user_privs/authentication/oauth2_authentication.md • administration/user_privs/authentication/security_integration.md
m
@Rocky FAIL: ERROR 1064 (HY000) at line 1: starlet err grpc.GetShard(shardId=93254) error: De what's the error
r
The error 
ERROR 1064 (HY000): starlet err grpc.GetShard(shardId=...) error: DeadlineExceeded
 (assuming "De" stands for 
DeadlineExceeded
) is specific to StarRocks shared-data (cloud-native) architecture. What this error means: This error indicates that a Compute Node (CN) or Backend (BE) attempted to fetch metadata for a specific data shard (tablet) from the Frontend (FE) using the Starlet (StarRocks' storage management agent) via a gRPC call, but the request timed out before receiving a response. Common Causes: 1. FE is Overloaded: The Leader FE might be under heavy load (high CPU or JVM GC), causing it to respond slowly to metadata requests from the compute nodes. 2. Network Latency/Connectivity: There may be network congestion or instability between the CN/BE nodes and the FE nodes. 3. Metadata Service Latency: In shared-data mode, the FE manages shard information. If the FE is struggling to access its internal metadata or if there is a massive number of concurrent metadata requests, it can trigger this timeout. 4. Configuration Timeout: The default timeout for StarMgr gRPC requests might be too short for the current cluster load. Recommended Troubleshooting Steps: 1. Check FE Health: * Check the Leader FE's 
fe.log
and 
fe.warn.log
for any signs of long GC pauses or "StarMgr" related errors. * Monitor FE CPU and memory usage. 2. Increase gRPC Timeout: You can try increasing the timeout for metadata requests on the FE side. The parameter is 
starmgr_grpc_timeout_seconds
(default is usually 5 seconds).
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    ADMIN SET FRONTEND CONFIG ("starmgr_grpc_timeout_seconds" = "10");
3. Check CN/BE Logs: Look into the 
<http://be.INFO|be.INFO>
or 
be.WARNING
logs on the compute nodes for the timestamp of the error. Search for "GetShard" to see if there are additional details about the RPC failure. 4. Verify Node Connectivity: Ensure that all CN/BE nodes can communicate with the FE's Starlet port (default is 
9030
for MySQL protocol, but Starlet uses the internal RPC ports, typically 
9020
or 
9030
depending on your config). 5. Object Storage Status: While this is a metadata error, ensure your underlying object storage (S3/OSS/HDFS) is healthy, as the FE might be waiting on storage-related metadata operations. Note: If you are seeing 
INVALID_ARGUMENT: shard info cannot be empty
instead, this often happens if you try to query/create tables when no CN/BE nodes are currently alive in the cluster. Check your node status using 
SHOW BACKENDS
or 
SHOW COMPUTE NODES
. References • faq/shared_data_faq.md • knowledge/usage/best-practice.md • faq/Deploy_faq.md • faq/Sql_faq.md • sql-reference/Error_code.md
m
@Rocky currently I have 3 fe's replicas if I removed two of them the cluster would be fully functional or no?
r
No, the cluster would not be fully functional if you simply shut down or remove two out of three FE (Frontend) Follower replicas. Here is the breakdown of why: 1. The Quorum Requirement StarRocks FEs use a consensus protocol (BDBJE) to manage metadata. For the cluster to be operational, a quorum (majority) of Follower nodes must be alive and able to communicate. * Formula: 
Quorum = (Number of Followers / 2) + 1
* For 3 Followers: You need at least 2 nodes to be healthy to maintain a quorum. If you remove two nodes, leaving only one, the remaining node cannot form a majority. As a result: * The cluster will not be able to elect a Leader. * Metadata cannot be updated (you cannot create tables, load data, or change configurations). * In most cases, the cluster will stop providing services entirely. 2. "Removing" vs. "Dropping" The outcome depends on how you remove them: * Scenario A: Sudden Removal (Stopping the process/VM) If you just turn off 2 nodes, the cluster loses quorum immediately and fails. * Scenario B: Formal Removal (SQL Command) If you use 
ALTER SYSTEM DROP FOLLOWER "IP:PORT"
, you can technically scale down. If you drop them one by one correctly, the cluster "re-calculates" the quorum. If you eventually scale down to a single FE, the cluster will function, but you lose all High Availability (HA). If that one remaining FE fails, your entire cluster goes down. Recommendations * For Production: Always maintain at least 3 Follower FEs. This allows the cluster to remain fully functional even if one node fails. * Adding Observers: If you need more query performance but don't want to complicate the quorum, you can add Observer FE nodes. Observers do not participate in voting for quorum, so they don't affect the math mentioned above. * Recovery: If you have already lost quorum and the cluster is stuck, you would need to perform a metadata recovery by setting 
bdbje_reset_election_group = true
in the 
fe.conf
of the remaining node to force it to become a Leader. Summary: To keep the cluster "fully functional" and highly available, you must keep at least 2 out of 3 FEs running. If you go down to 1, you are running in a non-HA mode that is not recommended for production. References • faq/operation_maintenance_faq.md • deployment/deploy_manually.md • administration/Meta_recovery.md • administration/management/FE_configuration.md
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