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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