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https://issues.apache.org/jira/browse/HBASE-21660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16731558#comment-16731558
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Guanghao Zhang commented on HBASE-21660:
----------------------------------------
Pushed to branch-2 and master. Thanks [~Apache9] for reviewing.
> Apply the cell to right memstore for increment/append operation
> ---------------------------------------------------------------
>
> Key: HBASE-21660
> URL: https://issues.apache.org/jira/browse/HBASE-21660
> Project: HBase
> Issue Type: Bug
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Priority: Major
> Fix For: 3.0.0, 2.2.0
>
> Attachments: HBASE-21660.master.001.patch,
> HBASE-21660.master.002.patch, HBASE-21660.master.003.patch
>
>
> HBASE-21643 introduced two new coprocessor methods postIncrementBeforeWAL and
> postAppendBeforeWAL instead of the old coprocessor postMutationsBeforeWAL.
> These coprocessor methods give coprocessors to update the new cells before
> apply to WAL or memstore. But the cell's column family may be changed, too.
> So it should apply the new cell to memstore depend on the cell's column
> family.
>
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