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https://issues.apache.org/jira/browse/HBASE-15389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15212631#comment-15212631
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Duo Zhang commented on HBASE-15389:
-----------------------------------
Add a simple description. HBASE-15400 will make this feature visible to end
user so let's add a release note there.
Thanks.
> Write out multiple files when compaction
> ----------------------------------------
>
> Key: HBASE-15389
> URL: https://issues.apache.org/jira/browse/HBASE-15389
> Project: HBase
> Issue Type: Sub-task
> Components: Compaction
> Affects Versions: 2.0.0, 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-15389-0.98.patch, HBASE-15389-0.98.v1.patch,
> HBASE-15389-0.98.v2.patch, HBASE-15389-0.98.v3.patch,
> HBASE-15389-branch-1.patch, HBASE-15389-branch-1.v1.patch,
> HBASE-15389-uc.patch, HBASE-15389-v1.patch, HBASE-15389-v10.patch,
> HBASE-15389-v11.patch, HBASE-15389-v12.patch, HBASE-15389-v13.patch,
> HBASE-15389-v14.patch, HBASE-15389-v2.patch, HBASE-15389-v3.patch,
> HBASE-15389-v4.patch, HBASE-15389-v5.patch, HBASE-15389-v6.patch,
> HBASE-15389-v7.patch, HBASE-15389-v8.patch, HBASE-15389-v9.patch,
> HBASE-15389.patch
>
>
> Add {{DateTieredCompactor}} and {{DateTieredMultiFileWriter}} to support
> writing out multiple files based on timestamp windows when doing date tiered
> compactions.
> Abstract {{AbstractMultiOutputCompactor}} and {{AbstractMultiFileWriter}}
> which contain the general logic for multi output and can be used to implement
> new compaction policies that requires multi output in the future.
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