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https://issues.apache.org/jira/browse/HDFS-11786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16105754#comment-16105754
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Andras Bokor commented on HDFS-11786:
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[~anu], [~msingh],
Is there any reason why not to apply this threading feature for -put as well?
I think making that two command not-identical makes the usage more complicated.
Please check HADOOP-14698 and share your thoughts.
> Add support to make copyFromLocal multi threaded
> ------------------------------------------------
>
> Key: HDFS-11786
> URL: https://issues.apache.org/jira/browse/HDFS-11786
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs
> Reporter: Mukul Kumar Singh
> Assignee: Mukul Kumar Singh
> Fix For: 3.0.0-beta1
>
> Attachments: HDFS-11786.001.patch, HDFS-11786.002.patch,
> HDFS-11786.003.patch, HDFS-11786.004.patch, HDFS-11786.005.patch
>
>
> CopyFromLocal/Put is not currently multithreaded.
> In case, where there are multiple files which need to be uploaded to the
> hdfs, a single thread reads the file and then copies the data to the cluster.
> This copy to hdfs can be made faster by uploading multiple files in parallel.
> I am attaching the initial patch so that I can get some initial feedback.
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