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https://issues.apache.org/jira/browse/HBASE-3257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12992013#comment-12992013
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stack commented on HBASE-3257:
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Sorry I didn't get to a review. This is a great addition.
> Coprocessors: Extend server side integration API to include HLog operations
> ---------------------------------------------------------------------------
>
> Key: HBASE-3257
> URL: https://issues.apache.org/jira/browse/HBASE-3257
> Project: HBase
> Issue Type: Sub-task
> Components: coprocessors
> Reporter: Andrew Purtell
> Assignee: Mingjie Lai
> Fix For: 0.92.0
>
> Attachments: 3257-3.patch
>
>
> Coprocessor based extensions should be able to:
> * Observe, rewrite, or skip WALEdits as they are being written to the WAL
> * Write arbitrary content into WALEdits
> * Act on contents of WALEdits in the regionserver context during
> reconstruction
> (update: remove WALEdit monitoring at master split. No need to use scope to
> control the behavior here, since it could be done by a coprocessor
> implementation.)
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