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Posted to issues@flink.apache.org by "Anton Kalashnikov (Jira)" <ji...@apache.org> on 2022/01/13 12:19:00 UTC

[jira] [Updated] (FLINK-25646) Document buffer debloating issues with high parallelism

     [ https://issues.apache.org/jira/browse/FLINK-25646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anton Kalashnikov updated FLINK-25646:
--------------------------------------
    Affects Version/s: 1.14.0

> Document buffer debloating issues with high parallelism
> -------------------------------------------------------
>
>                 Key: FLINK-25646
>                 URL: https://issues.apache.org/jira/browse/FLINK-25646
>             Project: Flink
>          Issue Type: Improvement
>    Affects Versions: 1.14.0
>            Reporter: Anton Kalashnikov
>            Priority: Major
>
> According to last benchmarks, there are some problems with buffer debloat when job has high parallelism. The high parallelism means the different value from job to job but in general it is more than 200. So it makes sense to document that problem and propose the solution - increasing the number of buffers.



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