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https://issues.apache.org/jira/browse/HBASE-21643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16729504#comment-16729504
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Guanghao Zhang commented on HBASE-21643:
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Will fix the checkstyle when commit.
> Introduce two new region coprocessor method and deprecated
> postMutationBeforeWAL
> --------------------------------------------------------------------------------
>
> Key: HBASE-21643
> URL: https://issues.apache.org/jira/browse/HBASE-21643
> Project: HBase
> Issue Type: Improvement
> Reporter: Guanghao Zhang
> Assignee: Guanghao Zhang
> Priority: Major
> Attachments: HBASE-21643.master.001.patch,
> HBASE-21643.master.002.patch, HBASE-21643.master.003.patch
>
>
> The old method postMutationBeforeWAL is not accurate about what it do. It is
> only called during increment and append. But the name is "Mutation"... And
> the javadoc only said it will be called by increment...
> {code:java}
> * Called after a new cell has been created during an increment operation, but
> before
> * it is committed to the WAL or memstore.
> {code}
>
> We use this coprocessor in our use case. And need add some cells to apply to
> WAL. So I introduced two new method postIncrementBeforeWAL and
> postAppendBeforeWAL to instead of this.
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