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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2018/06/25 17:51:01 UTC
[jira] [Updated] (HADOOP-15384) distcp numListstatusThreads option
doesn't get to -delete scan
[ https://issues.apache.org/jira/browse/HADOOP-15384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steve Loughran updated HADOOP-15384:
------------------------------------
Attachment: HADOOP-15384-001.patch
> 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
> 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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