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Posted to jira@kafka.apache.org by "Matthias J. Sax (Jira)" <ji...@apache.org> on 2020/10/14 04:58:00 UTC

[jira] [Commented] (KAFKA-10608) Add support for rolling upgrade with topology changes

    [ https://issues.apache.org/jira/browse/KAFKA-10608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17213608#comment-17213608 ] 

Matthias J. Sax commented on KAFKA-10608:
-----------------------------------------

In general, this is a know issue, but it also depends what type of changes you make and if you name your operators. Can you elaborate what changes you refer to in particular?

> Add support for rolling upgrade with topology changes
> -----------------------------------------------------
>
>                 Key: KAFKA-10608
>                 URL: https://issues.apache.org/jira/browse/KAFKA-10608
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Ashish Surana
>            Priority: Major
>
> We observed that if we modify the topology then we can't do rolling upgrade as it seems all the instances should have exact same topology.
> Everytime we upgrade topology we have to incur downtime, so we should explore if this can be supported fully and if not fully then should be doable for some subset of topology upgrades.



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