2026-01-07: Post Deploy Migration fails on Staging

Post Deploy Migration fails on Staging (Severity 4)

Problem: A post deploy migration failed on Staging due to insufficient database privileges, which prevented the migration from completing.

Impact: Deployments to the Staging environment were blocked until the migration issue was resolved.

Causes: The migration failed because the database user did not have the necessary privileges to execute a SELECT query on the system.parts table in ClickHouse.

Response strategy: We skipped the problematic migration by manually inserting its schema version into the ClickHouse schema_migrations table, which unblocked deployments. We have also documented the process for skipping migrations and opened follow-up actions to improve automation and guidance.

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This ticket was created to track INC-6478, by incident.io 🔥