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https://issues.apache.org/jira/browse/HBASE-20579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16475337#comment-16475337
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Jingyun Tian commented on HBASE-20579:
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Failed UTs seems is related to recently patches since I run these tests
successfully before rebase master. I'll try to help finding bugs.
> Improve copy snapshot manifest in ExportSnapshot
> ------------------------------------------------
>
> Key: HBASE-20579
> URL: https://issues.apache.org/jira/browse/HBASE-20579
> Project: HBase
> Issue Type: Improvement
> Components: mapreduce
> Affects Versions: 1.4.0, 1.5.0, 2.0.0
> Reporter: Jingyun Tian
> Assignee: Jingyun Tian
> Priority: Minor
> Fix For: 3.0.0, 2.1.0
>
> Attachments: HBASE-20579.master.001.patch
>
>
> ExportSnapshot need to copy snapshot manifest to destination cluster first,
> then setOwner and setPermission for those paths. But it's done with one
> thread, which lead to a long time to submit the job if your snapshot is big.
> I tried to make them processing in parallel, which can reduce the total time
> of submitting dramatically.
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