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

Anton Kalashnikov created FLINK-25646:
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             Summary: Document buffer debloating issues with high parallelism
                 Key: FLINK-25646
                 URL: https://issues.apache.org/jira/browse/FLINK-25646
             Project: Flink
          Issue Type: Improvement
            Reporter: Anton Kalashnikov


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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