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https://issues.apache.org/jira/browse/HDFS-14788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17374569#comment-17374569
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Mukund Thakur commented on HDFS-14788:
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[~wanghongbing] You could always write a new implementation and configure as
per the doc
[https://github.com/apache/hadoop/pull/1702/files#diff-aabf0a2eb6a65a9c67335f493b233fddbf6f177ffcdcea32792bba24498c38a0R445]
> Use dynamic regex filter to ignore copy of source files in Distcp
> -----------------------------------------------------------------
>
> Key: HDFS-14788
> URL: https://issues.apache.org/jira/browse/HDFS-14788
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: distcp
> Affects Versions: 3.2.1
> Reporter: Mukund Thakur
> Assignee: Mukund Thakur
> Priority: Major
> Fix For: 3.3.0
>
>
> There is a feature in Distcp where we can ignore specific files to get copied
> to the destination. This is currently based on a filter regex which is read
> from a specific file. The process of creating different regex file for
> different distcp jobs seems like a tedious task. What we are proposing is to
> expose a regex_filter parameter which can be set during Distcp job creation
> and use this filter in a new implementation CopyFilter class.
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