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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15384) distcp numListstatusThreads option doesn't get to -delete scan
Date Tue, 10 Jul 2018 09:53:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16538339#comment-16538339
] 

Hudson commented on HADOOP-15384:
---------------------------------

FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #14548 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/14548/])
HADOOP-15384. distcp numListstatusThreads option doesn't get to -delete (stevel: rev ca8b80bf59c0570bb9172208d3a6c993a6854514)
* (edit) hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/contract/AbstractContractDistCpTest.java
* (edit) hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/DistCpOptions.java
* (edit) hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/CopyCommitter.java


> 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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