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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-15384) distcp numListstatusThreads option doesn't get to -delete scan
Date Tue, 10 Jul 2018 09:52:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-15384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Steve Loughran updated HADOOP-15384:
------------------------------------
       Resolution: Fixed
    Fix Version/s: 3.1.1
           Status: Resolved  (was: Patch Available)

thanks for reviewing this Ewan; committed to branch 3.1+

> distcp numListstatusThreads option doesn't get to -delete scan
> --------------------------------------------------------------
>
>                 Key: HADOOP-15384
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15384
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: tools/distcp
>    Affects Versions: 3.1.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>             Fix For: 3.1.1
>
>         Attachments: HADOOP-15384-001.patch
>
>
> The distcp {{numListstatusThreads}} option isn't used when configuring the GlobbedCopyListing
used in {{CopyComitter.deleteMissing()}}
> This means that for large scans of object stores, performance is significantly worse.
> Fix: pass the option down from the task conf



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