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Posted to jira@kafka.apache.org by "Sagar Rao (Jira)" <ji...@apache.org> on 2021/12/04 18:20:00 UTC
[jira] [Assigned] (KAFKA-13501) Avoid state restore via rebalance if standbys are enabled
[ https://issues.apache.org/jira/browse/KAFKA-13501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sagar Rao reassigned KAFKA-13501:
---------------------------------
Assignee: Sagar Rao
> Avoid state restore via rebalance if standbys are enabled
> ---------------------------------------------------------
>
> Key: KAFKA-13501
> URL: https://issues.apache.org/jira/browse/KAFKA-13501
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: Matthias J. Sax
> Assignee: Sagar Rao
> Priority: Major
>
> There are certain scenario in which Kafka Streams wipes out local state and rebuilt it from scratch. This is a thread local cleanup, ie, no rebalance is triggered, and we end up with an offline task until state restoration finished.
> If standby tasks are enable, it might actually make sense to trigger a rebalance instead, to get the task re-assigned to the instance hosting the standby so get the task active again quickly.
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