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Posted to common-issues@hadoop.apache.org by "Steve Loughran (Jira)" <ji...@apache.org> on 2022/03/29 12:50:00 UTC

[jira] [Created] (HADOOP-18186) s3a prefetching to use SemaphoredDelegatingExecutor for submitting work

Steve Loughran created HADOOP-18186:
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             Summary: s3a prefetching to use SemaphoredDelegatingExecutor for submitting work
                 Key: HADOOP-18186
                 URL: https://issues.apache.org/jira/browse/HADOOP-18186
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: fs/s3
    Affects Versions: 3.4.0
            Reporter: Steve Loughran


Use SemaphoredDelegatingExecutor for each to stream to submit work, if possible, for better fairness in processes with many streams.

this also takes a DurationTrackerFactory to count how long was spent in the queue, something we would want to know




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