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https://issues.apache.org/jira/browse/KAFKA-7566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Boyang Chen resolved KAFKA-7566.
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Resolution: Won't Fix
> Add sidecar job to leader (or a random single follower) only
> ------------------------------------------------------------
>
> Key: KAFKA-7566
> URL: https://issues.apache.org/jira/browse/KAFKA-7566
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: Boyang Chen
> Priority: Minor
>
> Hey there,
> recently we need to add an archive job to a streaming application. The caveat
> is that we need to make sure only one instance is doing this task to avoid
> potential race condition, and we also don't want to schedule it as a regular
> stream task so that we will be blocking normal streaming operation.
> Although we could do so by doing a zk lease, I'm raising the case here since
> this could be some potential use case for streaming job also. For example,
> there are some `leader specific` operation we could schedule in DSL instead
> of adhoc manner.
> Let me know if you think this makes sense to you, thank you!
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