v.25.8New Feature

New system table to keep erroneous incoming

Official CH changelog text
A new system table to keep erroneous incoming messages from engines like kafka ("dead letter queue"). #68873 (Ilya Golshtein).
Introduces a new system table that serves as a dead letter queue to store erroneous incoming messages from engines like Kafka.

Why it matters

This feature helps users capture and retain messages that fail to be processed correctly from streaming engines, enabling easier troubleshooting and message recovery.

How to use it

Users can query the new system table to review and analyze erroneous messages that were rejected during ingestion from supported engines such as Kafka.

Related resources

PreviousNext