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Posted to dev@flink.apache.org by "xiaogang zhou (Jira)" <ji...@apache.org> on 2021/03/09 08:45:00 UTC
[jira] [Created] (FLINK-21688) we use setIncreaseParallelism
function, can cause slow flush in restore
xiaogang zhou created FLINK-21688:
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Summary: we use setIncreaseParallelism function, can cause slow flush in restore
Key: FLINK-21688
URL: https://issues.apache.org/jira/browse/FLINK-21688
Project: Flink
Issue Type: Improvement
Components: Runtime / State Backends
Affects Versions: 1.11.3
Reporter: xiaogang zhou
we use setIncreaseParallelism function, can cause slow flush in restore rescaling case. As this function limits the HIGH threads to 1.
Why not set the MAX jobs to 40, which will offer more flush thread to enable a fast recovery
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