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Posted to hdfs-dev@hadoop.apache.org by "ZanderXu (Jira)" <ji...@apache.org> on 2022/08/22 14:04:00 UTC

[jira] [Created] (HDFS-16737) Fix number of threads in FsDatasetAsyncDiskService#addExecutorForVolume

ZanderXu created HDFS-16737:
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             Summary: Fix number of threads in FsDatasetAsyncDiskService#addExecutorForVolume
                 Key: HDFS-16737
                 URL: https://issues.apache.org/jira/browse/HDFS-16737
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: ZanderXu
            Assignee: ZanderXu


The number of threads in FsDatasetAsyncDiskService#addExecutorForVolume is elastic right now, make it fixed.
Presently the corePoolSize is set to 1 and maximumPoolSize is set to maxNumThreadsPerVolume, but since the size of Queue is Integer.MAX, the queue doesn't tend to get full and threads are always confined to 1 irrespective of maxNumThreadsPerVolume.



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