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From "Duo Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15665) Support using different StoreFileComparators for different CompactionPolicies
Date Tue, 19 Apr 2016 11:34:25 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15247589#comment-15247589
] 

Duo Zhang commented on HBASE-15665:
-----------------------------------

The failed tests are unrelated.

Will commit shortly.

> Support using different StoreFileComparators for different CompactionPolicies
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-15665
>                 URL: https://issues.apache.org/jira/browse/HBASE-15665
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Compaction
>    Affects Versions: 2.0.0, 1.3.0, 0.98.19, 1.4.0
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0, 1.3.0, 0.98.19, 1.4.0
>
>         Attachments: HBASE-15665-0.98.patch, HBASE-15665-branch-1.patch, HBASE-15665.patch
>
>
> Now for DateTieredCompactionPolicy, if we output multiple files when compaction, we will
use the same max sequence id for all the output files(see HBASE-15389 for more details). So
we need to sort the store files by timestamp if they have the same max sequence id which is
different from the original store file comparator.



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