[jira] [Created] (FLINK-3120) Set number of event loop thread and number of buffer pool arenas to same number

[Shang Yuanchun (Jira)]

Ufuk Celebi created FLINK-3120:
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             Summary: Set number of event loop thread and number of buffer pool arenas to same number
                 Key: FLINK-3120
                 URL: https://issues.apache.org/jira/browse/FLINK-3120
             Project: Flink
          Issue Type: Improvement
          Components: Distributed Runtime
    Affects Versions: 0.10.1
            Reporter: Ufuk Celebi
            Assignee: Ufuk Celebi
             Fix For: 0.10.2


If a user changes the default number of event loop threads, the number of buffer pool arenas is still the default (2 * cores). Both numbers should be the same to prevent buffer allocation contention during runtime.



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