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https://issues.apache.org/jira/browse/HDFS-7312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14346382#comment-14346382
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Yongjun Zhang commented on HDFS-7312:
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Thanks Joe.
Patch looks good to me, +1 and I will commit on the coming Thursday if no
comments from other folks.
> 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
> 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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