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Posted to issues@flink.apache.org by "Yingjie Cao (Jira)" <ji...@apache.org> on 2020/10/13 06:58:00 UTC

[jira] [Created] (FLINK-19602) Introduce new config options to enable sort-merge based blocking shuffle

Yingjie Cao created FLINK-19602:
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             Summary: Introduce new config options to enable sort-merge based blocking shuffle
                 Key: FLINK-19602
                 URL: https://issues.apache.org/jira/browse/FLINK-19602
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Network
    Affects Versions: 1.12.0
            Reporter: Yingjie Cao
             Fix For: 1.12.0


1. taskmanager.network.sort-merge-blocking-shuffle.enabled: Boolean flag to enable/disable sort-merge based blocking shuffle.

2. taskmanager.network.sort-merge-blocking-shuffle.buffers-per-partition: Number of network buffers required for each sort-merge blocking result partition.

3. taskmanager.network.sort-merge-blocking-shuffle.min-parallelism: Minimum parallelism to enable the sort-merge based blocking shuffle.

With these new config options, the default behavior of blocking shuffle stays unchanged.



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