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Posted to issues@flink.apache.org by "Gyula Fora (Jira)" <ji...@apache.org> on 2023/03/07 16:07:00 UTC

[jira] [Closed] (FLINK-31318) Do not scale down operators while processing backlog

     [ https://issues.apache.org/jira/browse/FLINK-31318?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gyula Fora closed FLINK-31318.
------------------------------
    Resolution: Fixed

merged to main 8933435ecc647438967e6f522056b8e560d7750b

> Do not scale down operators while processing backlog
> ----------------------------------------------------
>
>                 Key: FLINK-31318
>                 URL: https://issues.apache.org/jira/browse/FLINK-31318
>             Project: Flink
>          Issue Type: Improvement
>          Components: Autoscaler, Kubernetes Operator
>            Reporter: Gyula Fora
>            Assignee: Gyula Fora
>            Priority: Major
>              Labels: pull-request-available
>
> Currently the autoscaler may try to scale down some operators even when the job is struggling to catch up. 
> This can lead to a vicious cycle where the backlog keeps increasing. It makes sense to hold off scale down decisions until the job has caught up.



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