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https://issues.apache.org/jira/browse/HBASE-5584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13230157#comment-13230157
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ramkrishna.s.vasudevan commented on HBASE-5584:
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One more reason for doing this could be on master failover we call
EnableTableHandler and DisableTableHandler for partially enabled/disabled
tables. But we don't call the coprocessor hooks in such scenarios.
> Coprocessor hooks can be called in the respective handlers
> ----------------------------------------------------------
>
> Key: HBASE-5584
> URL: https://issues.apache.org/jira/browse/HBASE-5584
> Project: HBase
> Issue Type: Improvement
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Fix For: 0.96.0
>
>
> Following points can be changed w.r.t to coprocessors
> -> Call preCreate, postCreate, preEnable, postEnable, etc. in their
> respective handlers
> -> Currently it is called in the HMaster thus making the postApis async w.r.t
> the handlers
> -> Similar is the case with the balancer.
> with current behaviour once we are in the postEnable(for eg) we any way need
> to wait for the main enable handler to
> be completed.
> We should ensure that we dont wait in the main thread so again we need to
> spawn a thread and wait on that.
> On the other hand if the pre and post api is called on the handlers then only
> that handler thread will be
> used in the pre/post apis
> If the above said plan is ok i can prepare a patch for all such related
> changes.
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