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https://issues.apache.org/jira/browse/HBASE-5617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13241435#comment-13241435
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ramkrishna.s.vasudevan commented on HBASE-5617:
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@Lars
I will update in other places also.
@Ted
What do you think? Only one hook is enough? For our use case one hook is
enough.
>From your previous comment i felt you suggested like its better we have two.
> Provide coprocessor hooks in put flow while rollbackMemstore.
> -------------------------------------------------------------
>
> Key: HBASE-5617
> URL: https://issues.apache.org/jira/browse/HBASE-5617
> Project: HBase
> Issue Type: Improvement
> Components: coprocessors
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Fix For: 0.96.0
>
> Attachments: HBASE-5617_1.patch, HBASE-5617_2.patch
>
>
> With coprocessors hooks while put happens we have the provision to create new
> puts to other tables or regions. These puts can be done with writeToWal as
> false.
> In 0.94 and above the puts are first written to memstore and then to WAL. If
> any failure in the WAL append or sync the memstore is rollbacked.
> Now the problem is that if the put that happens in the main flow fails there
> is no way to rollback the
> puts that happened in the prePut.
> We can add coprocessor hooks to like pre/postRoolBackMemStore. Is any one
> hook enough here?
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