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Posted to issues@flink.apache.org by "Yingjie Cao (Jira)" <ji...@apache.org> on 2022/07/04 08:32:00 UTC

[jira] [Created] (FLINK-28376) Reduce the number of IO threads for sort-shuffle

Yingjie Cao created FLINK-28376:
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             Summary: Reduce the number of IO threads for sort-shuffle
                 Key: FLINK-28376
                 URL: https://issues.apache.org/jira/browse/FLINK-28376
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Network
            Reporter: Yingjie Cao
             Fix For: 1.16.0


Currently, the number of IO threads for shuffle data reading is relevant to the size of reading memory and the number of CPU cores. We should also consider the number of slots and the number of disks.



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