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Posted to issues@flink.apache.org by "Jiang Xin (Jira)" <ji...@apache.org> on 2023/12/28 07:42:00 UTC

[jira] [Created] (FLINK-33954) Large record may cause the hybrid shuffle hang

Jiang Xin created FLINK-33954:
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             Summary: Large record may cause the hybrid shuffle hang
                 Key: FLINK-33954
                 URL: https://issues.apache.org/jira/browse/FLINK-33954
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Network
            Reporter: Jiang Xin


The local buffer pool size can be very small when the parallelism is small. So when a large record comes and it needs more buffers than the buffer pool has, a hang would happen.



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