Sonja K
05/08/2026, 8:16 AMkapa.ai
05/08/2026, 8:16 AMpg_dump inside the Postgres pod:kubectl exec -n namespace -it database_pod -- bash -c "pg_dump -U airbyte db-airbyte > /tmp/airbyte_backup.sql"
3. Copy the backup locally:kubectl cp airbyte/airbyte-db-0:/tmp/airbyte_backup.sql ./airbyte_backup.sql
[Helm chart V2 upgrade]
Step 2: Add the Helm Chart V2 Repository Helm chart V2 uses a different repo URL than V1:
helm repo add airbyte-v2 https://airbytehq.github.io/charts
helm repo update
[Helm chart V2 upgrade]
Step 3: Prepare a New Namespace Create a new namespace for the upgraded Airbyte instance (recommended when using an external database):
kubectl create namespace airbyte-v2
[Helm chart V2 upgrade]
Step 4: Identify the Correct Helm Chart Version Find the chart version corresponding to Airbyte 2.0.1:
helm search repo airbyte-v2 --versions
Based on the documentation, chart version 2.0.1 corresponds to app version 1.6.1. For Airbyte 2.0.0, use chart version 2.0.18. [Deploy Airbyte]
Step 5: Create a New values.yaml and Deploy Prepare your new values.yaml file and install Airbyte into the new namespace:
helm install airbyte airbyte-v2/airbyte \
--namespace airbyte-v2 \
--values ./values.yaml \
--version 2.0.18
[Deploy Airbyte]
Important Notes • Breaking changes: Since you're jumping from 1.5.1 to 2.0.x, review the breaking changes documented at https://docs.airbyte.com/release_notes/breaking-changes to understand what may need adjustment. [GitHub discussion]
• Database copy across versions: A straight database dump/restore between significantly different versions is generally unreliable due to schema differences. [GitHub discussion]
• If using an external database: You can point the new instance directly at the existing external database, which is the smoothest migration path.
• If not using an external database: Restore the backup SQL into the new instance's Postgres pod before starting Airbyte.
The knowledge sources do not provide a fully detailed step-by-step guide specifically for the 1.5.1 → 2.0.1 path with a database restore on a new instance, so I'd recommend also reviewing the official breaking changes page before proceeding. 👍 0 button 👎 0 button ℹ️ Tip: Mention @kapa.ai in the thread for follow-ups or DM the app for 1-to-1 help.