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https://issues.apache.org/jira/browse/HBASE-7725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13573844#comment-13573844
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Sergey Shelukhin commented on HBASE-7725:
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Another alternative, uglier but with more general applicability, is to create
some ID for the operation and pass it to coprocessor methods if they belong to
the same logical operation. If coprocessor has its own context, it can manage
it, for example in a Map.
> Add generic attributes to CP initiated compaction request AND latch on
> compaction completion
> --------------------------------------------------------------------------------------------
>
> Key: HBASE-7725
> URL: https://issues.apache.org/jira/browse/HBASE-7725
> Project: HBase
> Issue Type: Bug
> Components: Compaction, Coprocessors, regionserver
> Reporter: Jesse Yates
> Assignee: Jesse Yates
> Fix For: 0.96.0, 0.94.6
>
> Attachments: example.java, hbase-7725_0.94-v0.patch,
> hbase-7725-v0.patch, hbase-7725-v1.patch,
> hbase-7725_with-attributes-0.94-v0.patch,
> hbase-7725_with-attributes-0.94-v1.patch
>
>
> You can request that a compaction be started, but you can't be sure when that
> compaction request completes. This is a simple update to the
> CompactionRequest interface and the compact-split thread on the RS that
> doesn't actually impact the RS exposed interface.
> This is particularly useful for CPs so they can control starting/running a
> compaction.
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