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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-7312) Update DistCp v1 to optionally not use tmp location (branch-1 only)
Date Fri, 06 Mar 2015 00:35:39 GMT

     [ https://issues.apache.org/jira/browse/HDFS-7312?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yongjun Zhang updated HDFS-7312:
--------------------------------
       Resolution: Fixed
    Fix Version/s: 1.3.0
           Status: Resolved  (was: Patch Available)

Committed to branch-1. Thanks Joseph Prosser for the contribution.


> Update DistCp v1 to optionally not use tmp location (branch-1 only)
> -------------------------------------------------------------------
>
>                 Key: HDFS-7312
>                 URL: https://issues.apache.org/jira/browse/HDFS-7312
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: tools
>    Affects Versions: 1.2.1
>            Reporter: Joseph Prosser
>            Assignee: Joseph Prosser
>            Priority: Minor
>             Fix For: 1.3.0
>
>         Attachments: HDFS-7312.001.patch, HDFS-7312.002.patch, HDFS-7312.003.patch, HDFS-7312.004.patch,
HDFS-7312.005.patch, HDFS-7312.006.patch, HDFS-7312.007.patch, HDFS-7312.008.patch, HDFS-7312.patch
>
>   Original Estimate: 72h
>  Remaining Estimate: 72h
>
> DistCp v1 currently copies files to a tmp location and then renames that to the specified
destination.  This can cause performance issues on filesystems such as S3.  A -skiptmp flag
will be added to bypass this step and copy directly to the destination.  This feature mirrors
a similar one added to HBase ExportSnapshot [HBASE-11119|https://issues.apache.org/jira/browse/HBASE-11119]
> NOTE: This is a branch-1 change only.



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