[jira] [Commented] (KAFKA-7458) Avoid enforced processing during bootstrap phase

["John Roesler (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-7458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17244327#comment-17244327 ] 

John Roesler commented on KAFKA-7458:
-------------------------------------

Hello, all, I have just proposed KIP-695, which I think would resolve this issue. Please let me know what you think in the mailing list discussion thread!

https://cwiki.apache.org/confluence/x/JSXZCQ

> Avoid enforced processing during bootstrap phase
> ------------------------------------------------
>
>                 Key: KAFKA-7458
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7458
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Guozhang Wang
>            Assignee: Guozhang Wang
>            Priority: Major
>
> In KAFKA-3514, we introduced a new config for allowing users to delay enforcing processing without all input topic partitions to have data. This config's default value is 0, which means that as long as the first fetch does not contains some records for all the partitions it will fall into enforced processing immediately, which is a high risk especially under bootstrap case.
> We should consider leveraging on pause / resume to make sure that upon starting, some partition indeed does not have any data before we fall into enforced processing



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