The Curious Incident of the State Store in Recovery in ksqlDB

Stream Processing ksqlDB
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Hey there, I have a question relating to this Confluent blog post from August. It describes an issue we see with ksqldb0.7 when we scale down.

https://www.confluent.io/blog/ksqldb-state-stores-in-recovery/

It states:

Instead, we’ve implemented a patch that will help automatically resolve this in the future.

Can someone give me some guidance on which version of ksqldb has this patch as we’d like to upgrade but don’t want to do so blindly and find the patch is not in the release we are using?

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Welcome to the community @cannontrodder! The commit that resolved this issue was fix: always use the changelog subject in table state stores by agavra · Pull Request #5823 · confluentinc/ksql · GitHub which is available in versions 0.11 and above.

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Hey thanks! We’re really looking forward to upgrading to v 0.12 to get this and the automatic query restarting - ksqldb is looking very solid moving forward!

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