If I have multiple instances having livekit server installed in them. Then have a load balancer over them all. the both url (turn and livekit) will point to the load balancer? and do I need a common redis for them or the redis that comes prepackaged works?

Yes, both the TURN and LiveKit URLs should point to the load balancer. This setup ensures that incoming requests are distributed across the multiple LiveKit server instances. As for Redis, you need a common Redis instance for all LiveKit servers. Redis acts as a message bus, enabling communication between the servers, and is essential for a distributed setup. The prepackaged Redis is not suitable for this purpose; a separate, shared Redis instance is required. Would you like more details on setting up the load balancer or configuring Redis? Sources: - Distributed Setup | LiveKit Docs - Slack Discussion on Redis Usage 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.

@millions-hair-24956 Yes both the Redis setup using AmazonElastiCache and Loadbalancer setup using GUI on AWS and also tell me the type of Cache and Loadbalancer everything.

It seems likely that for setting up Redis using Amazon ElastiCache, you should choose Redis as the cache type. Redis is recommended for LiveKit deployments as it serves as a message bus for communication between LiveKit server instances. When configuring ElastiCache, ensure that it is accessible by all LiveKit instances and is set up in the same VPC for optimal performance. For the load balancer, it seems likely that an Application Load Balancer (ALB) would be suitable for handling HTTP/HTTPS traffic, while a Network Load Balancer (NLB) is better for handling TCP/UDP traffic, which is essential for WebRTC and TURN server connections. The choice between ALB and NLB depends on your specific traffic requirements, but NLB is often preferred for its ability to handle high-throughput and low-latency connections, which are critical for real-time applications like LiveKit. Would you like more detailed guidance on configuring these services? Sources: - https://docs.livekit.io/home/self-hosting/distributed/ 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.

@millions-hair-24956 Yes. Please give more info on both.

To set up Redis using Amazon ElastiCache and configure a load balancer on AWS for LiveKit, follow these steps: Redis Setup with Amazon ElastiCache 1. Create an ElastiCache Cluster: - Navigate to the ElastiCache dashboard in the AWS Management Console. - Choose "Create" and select "Redis" as the engine. - Configure the cluster settings: - Cluster Mode: Choose "Disabled" for a single-node setup or "Enabled" for a multi-node setup. - Node Type: Select an instance type based on your performance needs (e.g.,

cache.t3.micro

for development or

cache.m5.large

for production). - Number of Nodes: Typically, one node is sufficient for small setups, but you can increase this for redundancy. - Subnet Group: Ensure the Redis cluster is in the same VPC as your LiveKit servers. - Security Group: Configure inbound rules to allow access from your LiveKit server instances. 2. Configure Redis: - Ensure Redis is set up to use the same database across all LiveKit instances. - Use the Redis endpoint provided by ElastiCache in your LiveKit configuration. Load Balancer Setup on AWS 1. Choose Load Balancer Type: - Network Load Balancer (NLB): Ideal for handling TCP/UDP traffic, which is crucial for WebRTC and TURN server connections. - Application Load Balancer (ALB): Suitable for HTTP/HTTPS traffic, but less ideal for WebRTC. 2. Create a Load Balancer: - Navigate to the EC2 dashboard and select "Load Balancers." - Choose "Create Load Balancer" and select "Network Load Balancer." - Configure the load balancer settings: - Listeners: Add listeners for TCP/UDP ports used by LiveKit (e.g., 7880 for WebSocket, 5349 for TURN/TLS). - Availability Zones: Select the same zones where your LiveKit instances are deployed. 3. Target Groups: - Create target groups for your LiveKit instances. - Register your LiveKit server instances with the target groups. - Ensure health checks are configured to monitor the health of your LiveKit instances. 4. DNS Configuration: - Update your DNS records to point the LiveKit and TURN URLs to the load balancer's DNS name. This setup ensures that your LiveKit deployment is scalable and resilient, with Redis providing a shared message bus and the load balancer distributing traffic efficiently across your server instances. Sources: - Distributed Setup | LiveKit Docs 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.

@millions-hair-24956 Listeners: Add listeners for TCP/UDP ports used by LiveKit (e.g., 7880 for WebSocket, 5349 for TURN/TLS). - Availability Zones: Select the same zones where your LiveKit instances are deployed. Tell me this

To configure listeners and availability zones for your Network Load Balancer (NLB) on AWS, follow these steps: Listeners Configuration 1. Add Listeners: - When setting up your NLB, you need to add listeners for the specific ports that LiveKit uses. - TCP Ports: - 7880: This port is typically used for WebSocket connections to the LiveKit server. - 5349: This port is used for TURN/TLS connections, which are crucial for WebRTC traffic. - UDP Ports: - 50000-60000: These ports are used for WebRTC media traffic. Ensure that your NLB can handle UDP traffic on these ports. 2. Configure Listener Rules: - Ensure that the listener rules forward traffic to the appropriate target groups where your LiveKit instances are registered. Availability Zones 1. Select Availability Zones: - When configuring your NLB, select the availability zones where your LiveKit server instances are deployed. - This ensures that the load balancer can route traffic efficiently to instances in those zones, providing redundancy and minimizing latency. 2. Cross-Zone Load Balancing: - Consider enabling cross-zone load balancing to distribute traffic evenly across all registered instances in different zones. By setting up listeners for the necessary TCP/UDP ports and selecting the correct availability zones, you ensure that your LiveKit deployment can handle real-time media traffic efficiently and reliably. Would you like more details on any specific part of this setup? Sources: - https://docs.livekit.io/home/self-hosting/ports-firewall/ - https://docs.livekit.io/oss/deployment 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.

@millions-hair-24956 What protocol for each listener?

For each listener on your Network Load Balancer (NLB) for LiveKit, you should configure the following protocols: 1. TCP Protocol: - Port 7880: Use TCP for WebSocket connections to the LiveKit server. This port handles signaling and control messages. - Port 5349: Use TCP for TURN/TLS connections. This port is used for secure TURN server communications, which help in relaying media when direct peer-to-peer connections are not possible. 2. UDP Protocol: - Ports 50000-60000: Use UDP for WebRTC media traffic. UDP is preferred for real-time media due to its low latency and reduced overhead compared to TCP. These configurations ensure that your LiveKit deployment can efficiently handle both signaling and media traffic. Would you like more information on configuring these protocols? Sources: - Ports and Firewall | LiveKit Docs - Deploying LiveKit | LiveKit Docs 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.

@millions-hair-24956 When I trying to add listeners in AWS I don't see a option for a range. How will I add 50000-60000?

It seems likely that AWS Network Load Balancers (NLB) do not support specifying a range of ports directly in a single listener configuration. Instead, you would typically handle this by configuring your application to use a single port for all UDP traffic, or by using a different approach to manage the port range. Options to Handle Port Range: 1. Single Port for UDP Traffic: - You can configure LiveKit to use a single UDP port for all WebRTC traffic by setting the

rtc.udp_port

in your LiveKit configuration. This way, you only need to open one UDP port on the NLB. 2. Multiple Listeners: - If you must use a range, you would need to create individual listeners for each port, which is not practical for a large range like 50000-60000. 3. Custom Solution: - Consider using a custom solution such as a proxy or a custom application that can handle a range of ports and forward them to the appropriate backend services. Would you like more details on configuring a single UDP port for LiveKit? Sources: - https://docs.livekit.io/oss/deployment#Configuration - https://docs.livekit.io/home/self-hosting/vm/#Troubleshooting 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.

@millions-hair-24956 You can configure LiveKit to use a single UDP port for all WebRTC traffic by setting the

rtc.udp_port

in your LiveKit configuration. This way, you only need to open one UDP port on the NLB. How to do?

To configure LiveKit to use a single UDP port for all WebRTC traffic, you need to set the

rtc.udp_port

parameter in your LiveKit configuration file. This will allow you to specify a single port for all UDP traffic, simplifying your network setup. Steps to Configure a Single UDP Port: 1. Edit the LiveKit Configuration File: - Locate your LiveKit configuration file, typically named

livekit.yaml

. 2. Set the

rtc.udp_port

Parameter: - Add or modify the

rtc.udp_port

setting under the

rtc_config

section to specify the single UDP port you want to use. For example:

rtc:
     udp_port: 50000  # Specify the single UDP port here

3. Update Network Load Balancer: - In your AWS Network Load Balancer, create a listener for the specified UDP port (e.g., 50000) to forward traffic to your LiveKit instances. 4. Restart LiveKit Server: - After making changes to the configuration file, restart your LiveKit server to apply the new settings. This setup will direct all WebRTC UDP traffic through the specified port, making it easier to manage firewall and load balancer configurations. Would you like more detailed guidance on any of these steps? Sources: - https://docs.livekit.io/home/self-hosting/ports-firewall/ 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.

@millions-hair-24956 rtc: tcp_port: 7881 port_range_start: 50000 port_range_end: 60000 use_external_ip: true enable_loopback_candidate: false This is the livekit yaml file now tell me the change

To configure LiveKit to use a single UDP port for all WebRTC traffic, you need to modify the

rtc

section of your

livekit.yaml

file by adding the

udp_port

parameter. Here's how you can update your configuration: Updated

livekit.yaml

Configuration:

rtc:
  tcp_port: 7881
  udp_port: 50000  # Specify the single UDP port here
  use_external_ip: true
  enable_loopback_candidate: false

Steps: 1. Add

udp_port

: Insert the

udp_port

parameter and set it to the desired port number (e.g., 50000). This will direct all UDP traffic through this single port. 2. Remove

port_range_start

and

port_range_end

: Since you are using a single UDP port, you can remove the

port_range_start

and

port_range_end

parameters. 3. Restart LiveKit Server: After updating the configuration file, restart your LiveKit server to apply the changes. This change will simplify your network setup by using a single UDP port for WebRTC traffic, making it easier to configure your load balancer and firewall. Would you like more information on any specific part of this process? Sources: - https://docs.livekit.io/home/self-hosting/ports-firewall/ 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.

@millions-hair-24956 level":"error","ts":1740378582.031885,"logger":"layer4","msg":"matching connection","remote":"127.0.0.1:59632> Feb 24 063008 ip-172-31-40-115 docker-compose[1559]: livekit-redis-1 | 1:C 24 Feb 2025 063008.106 # WARNING Memory overcommit must be enabled! Without it, a background save or repl> Feb 24 063008 ip-172-31-40-115 docker-compose[1559]: livekit-redis-1 | 1:C 24 Feb 2025 063008.106 * oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo Feb 24 063008 ip-172-31-40-115 docker-compose[1559]: livekit-redis-1 | 1:C 24 Feb 2025 063008.106 * Redis version=7.4.2, bits=64, commit=00000000, modified=0, pid=1, just started Feb 24 063008 ip-172-31-40-115 docker-compose[1559]: livekit-redis-1 | 1:C 24 Feb 2025 063008.106 * Configuration loaded Feb 24 063008 ip-172-31-40-115 docker-compose[1559]: livekit-redis-1 | 1:M 24 Feb 2025 063008.107 * monotonic clock: POSIX clock_gettime Feb 24 063008 ip-172-31-40-115 docker-compose[1559]: livekit-redis-1 | 1:M 24 Feb 2025 063008.108 * Running mode=standalone, port=6379. Feb 24 063008 ip-172-31-40-115 docker-compose[1559]: livekit-redis-1 | 1:M 24 Feb 2025 063008.108 # Warning: Could not create server TCP listening socket 127.0.0.16379 bind: Addr> Feb 24 063008 ip-172-31-40-115 docker-compose[1559]: livekit-redis-1 | 1:M 24 Feb 2025 063008.108 # Failed listening on port 6379 (tcp), aborting. This is my error

The error message indicates that Redis is unable to bind to the TCP listening socket on

127.0.0.1:6379

because the address is already in use. This typically means that another process is already using port 6379 on your system. Steps to Resolve: 1. Check for Existing Redis Process: - Use a command like

lsof -i :6379

or

netstat -tuln | grep 6379

to check if another process is using port 6379. - If another Redis instance or process is using the port, you may need to stop it or configure your current Redis instance to use a different port. 2. Change Redis Port: - If you want to run multiple Redis instances, you can change the port for the new instance. Edit the Redis configuration file (usually

redis.conf

) and set a different port using the

port

directive, e.g.,

port 6380

. 3. Restart Docker Compose: - After making changes, restart your Docker Compose setup with

docker-compose down

followed by

docker-compose up

to apply the changes. 4. Check Docker Configuration: - Ensure that your Docker Compose file does not have conflicting port mappings for Redis. Would you like more detailed guidance on any of these steps? Sources: - https://livekit-users.slack.com/archives/C07FVFL1H3P/p1726754234.331919 - https://docs.livekit.io/home/self-hosting/egress/#Running-locally 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.

@millions-hair-24956 taaryacalllivekittryninjastudycom-caddy-1 | {"level":"info","ts":1740389461.9199479,"msg":"using provided configuration","config_file":"/etc/caddy.yaml","config_adapter":"yaml"} betaaryacalllivekittryninjastudycom-caddy-1 | {"level":"info","ts":1740389461.9221516,"logger":"admin","msg":"admin endpoint started","address":"localhost:2019","enforce_origin":false,"origins":["//[:1]2019","//127.0.0.1:2019","//localhost:2019"]} betaaryacalllivekittryninjastudycom-caddy-1 | {"level":"info","ts":1740389461.9228315,"logger":"tls.cache.maintenance","msg":"started background certificate maintenance","cache":"0xc0004c39d0"} betaaryacalllivekittryninjastudycom-caddy-1 | {"level":"info","ts":1740389461.9247577,"logger":"tls","msg":"cleaning storage unit","description":"FileStorage:/data"} betaaryacalllivekittryninjastudycom-caddy-1 | {"level":"info","ts":1740389461.9250197,"msg":"autosaved config (load with --resume flag)","file":"/root/.config/caddy/autosave.json"} betaaryacalllivekittryninjastudycom-caddy-1 | {"level":"info","ts":1740389461.925067,"msg":"serving initial configuration"} betaaryacalllivekittryninjastudycom-caddy-1 | {"level":"info","ts":1740389461.9253876,"logger":"tls","msg":"finished cleaning storage units"} betaaryacalllivekittryninjastudycom-redis-1 | 1:C 24 Feb 2025 093101.900 # WARNING Memory overcommit must be enabled! Without it, a background save or replication may fail under low memory condition. Being disabled, it can also cause failures without low memory condition, see https://github.com/jemalloc/jemalloc/issues/1328. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect. betaaryacalllivekittryninjastudycom-livekit-1 | 2025-02-24T093102.059Z INFO livekit redis/redis.go:142 connecting to redis {"simple": true, "addr": "localhost:6379"} betaaryacalllivekittryninjastudycom-livekit-1 | 2025-02-24T093103.182Z WARN livekit rtcconfig/ip.go:272 could not validate external IP {"ip": "3.108.223.223", "error": "context canceled"} betaaryacalllivekittryninjastudycom-livekit-1 | 2025-02-24T093103.184Z INFO livekit rtcconfig/webrtc_config.go:262 failed to get external ip {"local": "172.17.0.1", "err": "context canceled"} betaaryacalllivekittryninjastudycom-livekit-1 | 2025-02-24T093103.184Z INFO livekit rtcconfig/webrtc_config.go:88 using external IPs {"ips": ["3.108.223.223/172.31.40.115", "172.17.0.1/172.17.0.1"]} betaaryacalllivekittryninjastudycom-redis-1 | 1:C 24 Feb 2025 093101.900 * oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo betaaryacalllivekittryninjastudycom-redis-1 | 1:C 24 Feb 2025 093101.900 * Redis version=7.4.2, bits=64, commit=00000000, modified=0, pid=1, just started betaaryacalllivekittryninjastudycom-redis-1 | 1:C 24 Feb 2025 093101.900 * Configuration loaded betaaryacalllivekittryninjastudycom-livekit-1 | 2025-02-24T093103.184Z INFO livekit service/turn.go:145 Starting TURN server {"turn.relay_range_start": 30000, "turn.relay_range_end": 40000, "turn.portTLS": 5349, "turn.externalTLS": true, "turn.portUDP": 3478} betaaryacalllivekittryninjastudycom-livekit-1 | 2025-02-24T093103.186Z INFO livekit service/server.go:258 starting LiveKit server {"portHttp": 7880, "nodeID": "ND_yUC6wAXGzF2y", "nodeIP": "3.108.223.223", "version": "1.8.2", "bindAddresses": [""], "rtc.portTCP": 7881, "rtc.portICERange": [50000, 60000]} betaaryacalllivekittryninjastudycom-redis-1 | 1:M 24 Feb 2025 093101.901 * monotonic clock: POSIX clock_gettime betaaryacalllivekittryninjastudycom-redis-1 | 1:M 24 Feb 2025 093101.903 * Running mode=standalone, port=6379. betaaryacalllivekittryninjastudycom-redis-1 | 1:M 24 Feb 2025 093101.903 * Server initialized betaaryacalllivekittryninjastudycom-redis-1 | 1:M 24 Feb 2025 093101.903 * Ready to accept connections tcp betaaryacalllivekittryninjastudycom-redis-1 | 1:M 24 Feb 2025 093602.074 * 100 changes in 300 seconds. Saving... betaaryacalllivekittryninjastudycom-redis-1 | 1:M 24 Feb 2025 093602.075 * Background saving started by pid 20 betaaryacalllivekittryninjastudycom-redis-1 | 20:C 24 Feb 2025 093602.079 * DB saved on disk betaaryacalllivekittryninjastudycom-redis-1 | 20:C 24 Feb 2025 093602.079 * Fork CoW for RDB: current 0 MB, peak 0 MB, average 0 MB betaaryacalllivekittryninjastudycom-redis-1 | 1:M 24 Feb 2025 093602.175 * Background saving terminated with success its not running

It seems likely that there are a few issues in your setup that need to be addressed to ensure your LiveKit and Redis services run smoothly: 1. Redis Memory Overcommit Warning: - The warning about memory overcommit suggests that your system's memory settings might prevent Redis from functioning optimally, especially under low memory conditions. To resolve this, you can enable memory overcommit by adding

vm.overcommit_memory = 1

to your

/etc/sysctl.conf

file and then running

sysctl -p

to apply the changes. Alternatively, execute

sysctl vm.overcommit_memory=1

to apply the change immediately. 2. External IP Validation: - The logs indicate a failure in validating the external IP with the error "context canceled." This might be due to network configuration issues or firewall settings that prevent proper IP validation. Ensure that your network settings allow for external IP discovery and that any firewalls or security groups are configured to permit necessary traffic. 3. Caddy and LiveKit Configuration: - The Caddy server seems to be running without issues, as indicated by the logs. However, ensure that your Caddy configuration (

/etc/caddy.yaml

) is correctly set up to handle the domain and SSL/TLS settings for your LiveKit deployment. 4. LiveKit and TURN Server: - The LiveKit server is starting with the specified TURN server settings. Ensure that the ports (5349 for TLS and 3478 for UDP) are open and accessible in your firewall and security group settings. 5. Redis Connection: - The LiveKit server is attempting to connect to Redis at

localhost:6379

. Ensure that Redis is running and accessible at this address. If Redis is running in a Docker container, ensure that the network settings allow for communication between the LiveKit and Redis containers. Next Steps: - Check Network and Firewall Settings: Ensure that all necessary ports are open and that there are no firewall rules blocking traffic. - Verify Docker Network Configuration: If using Docker, ensure that the containers are on the same network and can communicate with each other. - Review Logs for Additional Errors: Check the logs for any additional errors or warnings that might provide more context on the issues. Would you like more detailed guidance on any specific part of this setup? Sources: - https://livekit-users.slack.com/archives/C07FRP66XGE/p1732019649.386179 - https://livekit-users.slack.com/archives/C07FVFL1H3P/p1731978837.234169 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.

@millions-hair-24956 I have a load balancer.

To effectively use a load balancer with your LiveKit deployment, ensure the following configurations are in place: 1. Load Balancer Type: - Use a Network Load Balancer (NLB) for handling TCP/UDP traffic, which is essential for WebRTC and TURN server connections. This type of load balancer is optimized for high-throughput and low-latency connections. 2. Listener Configuration: - TCP Listeners: Set up listeners for ports like 7880 (WebSocket) and 5349 (TURN/TLS). - UDP Listeners: If using a single UDP port for WebRTC traffic, configure a listener for that port (e.g., 50000). 3. Target Groups: - Register your LiveKit server instances with the target groups associated with the load balancer. - Ensure health checks are configured to monitor the health of your LiveKit instances. 4. DNS Configuration: - Update your DNS records to point the LiveKit and TURN URLs to the load balancer's DNS name. 5. Firewall and Security Groups: - Ensure that the necessary ports are open in your firewall and security groups to allow traffic to flow through the load balancer to your LiveKit instances. Would you like more detailed guidance on setting up any specific part of this configuration? Sources: - Distributed Setup | LiveKit Docs - Ports and Firewall | LiveKit Docs 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.

@millions-hair-24956 Listener Configuration: - TCP Listeners: Set up listeners for ports like 7880 (WebSocket) and 5349 (TURN/TLS). - UDP Listeners: If using a single UDP port for WebRTC traffic, configure a listener for that port (e.g., 50000). tell me them all

To configure listeners for your Network Load Balancer (NLB) on AWS for a LiveKit deployment, follow these steps: TCP Listeners 1. Port 7880 (WebSocket): - Protocol: TCP - Purpose: Handles WebSocket connections for signaling and control messages between clients and the LiveKit server. 2. Port 5349 (TURN/TLS): - Protocol: TCP - Purpose: Used for secure TURN server communications, which help relay media when direct peer-to-peer connections are not possible. UDP Listeners 1. Single UDP Port (e.g., 50000): - Protocol: UDP - Purpose: Used for WebRTC media traffic. If you have configured LiveKit to use a single UDP port, set up a listener for that specific port. Steps to Configure Listeners: 1. Access AWS Management Console: - Navigate to the EC2 dashboard and select "Load Balancers." 2. Create or Select a Load Balancer: - Choose "Create Load Balancer" and select "Network Load Balancer." 3. Add Listeners: - For each required port, add a listener with the appropriate protocol (TCP or UDP). 4. Configure Target Groups: - Ensure that each listener forwards traffic to the correct target group where your LiveKit instances are registered. 5. Health Checks: - Configure health checks for each target group to ensure that only healthy instances receive traffic. This setup ensures that your LiveKit deployment can efficiently handle both signaling and media traffic. Would you like more detailed guidance on any specific part of this setup? Sources: - Ports and Firewall | LiveKit Docs - Deploying LiveKit | LiveKit Docs 👍 0 button 👎 0 button 💡 Hint: Mention @runllm in the thread for followups.