product · inferred from evidence
Langfuse
A self-hosted product mentioned in the context of an upgrade and UI errors.
- UI errors loading traces after Langfuse upgrade: corrupted ClickHouse parts
The root cause was storage corruption in ClickHouse data parts (not a migration bug; dirty flags in schema_migrations are normal: golang-migrate always writes a dirty=1 row followed by dirty=0). The maintainer's guidance: run `CHECK TABLE t