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https://issues.apache.org/jira/browse/HDFS-8060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14394591#comment-14394591
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Chris Nauroth commented on HDFS-8060:
-------------------------------------
Hello, [~kachau]. Thank you for filing the issue, and welcome to the
community! You can find more details on how the contribution process works
here:
https://wiki.apache.org/hadoop/HowToContribute
In HADOOP-11661, I proposed deprecating and eventually removing
{{FileUtil#copyMerge}}. It is currently unused within the Hadoop source tree,
and the only downstream project reference to it I've found so far is one call
site in Mahout.
Can you post more details on how you're using this method? Is this a custom
application you wrote that calls {{FileUtil#copyMerge}} directly?
> org.apache.hadoop.fs.FileUtil.copyMerge should merge all files in recursive
> sub directories
> -------------------------------------------------------------------------------------------
>
> Key: HDFS-8060
> URL: https://issues.apache.org/jira/browse/HDFS-8060
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: Umesh Kacha
>
> org.apache.hadoop.fs.FileUtil.copyMerge does not find all the files
> recursively in sub directories. I am ready to push the code for the same.
> This is my first JIRA so dont know much the process. Please validate I feel
> this feature is very helpful. Since copyMerge does not support recursive
> finding in sub directories I need to copy files from thousands of directories
> first and then move into one directory and give that directory to copyMerge.
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