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https://issues.apache.org/jira/browse/HBASE-15368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15177087#comment-15177087
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Duo Zhang commented on HBASE-15368:
-----------------------------------

Fine, the code is based on our version. I have to move to use your 
DateTieredCompactionPolicy before upload it here. One or two days. To write 
multiple files is simple, we can follow the stripe compaction way. One problem 
is we will write different StoreFiles with same seqId, so we need to add the 
timestamp to StoreFile comparator.

> Add relative window support
> ---------------------------
>
>                 Key: HBASE-15368
>                 URL: https://issues.apache.org/jira/browse/HBASE-15368
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Compaction
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>         Attachments: HBASE-15368-v1.patch, HBASE-15368.patch
>
>
> To better determine 'hot' data.



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