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https://issues.apache.org/jira/browse/HBASE-5199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195135#comment-13195135
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Hadoop QA commented on HBASE-5199:
----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12512236/HBASE-5199.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 8 new or modified tests.

    -1 patch.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/860//console

This message is automatically generated.
                
> Delete out of TTL store files before compaction selection
> ---------------------------------------------------------
>
>                 Key: HBASE-5199
>                 URL: https://issues.apache.org/jira/browse/HBASE-5199
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Liyin Tang
>            Assignee: Liyin Tang
>         Attachments: D1311.1.patch, D1311.2.patch, D1311.3.patch, 
> D1311.4.patch, D1311.5.patch, D1311.5.patch, HBASE-5199.patch
>
>
> Currently, HBase deletes the out of TTL store files after compaction. We can 
> change the sequence to delete the out of TTL store files before selecting 
> store files for compactions. 
> In this way, HBase can keep deleting the old invalid store files without 
> compaction, and also prevent from unnecessary compactions since the out of 
> TTL store files will be deleted before the compaction selection.

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