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Posted to common-issues@hadoop.apache.org by "Steve Loughran (Jira)" <ji...@apache.org> on 2022/09/09 10:33:00 UTC

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

     [ https://issues.apache.org/jira/browse/HADOOP-18186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran resolved HADOOP-18186.
-------------------------------------
    Fix Version/s: 3.4.0
       Resolution: Fixed

> 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
>            Assignee: Viraj Jasani
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>
> 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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