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https://issues.apache.org/jira/browse/HBASE-7725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13580816#comment-13580816
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Andrew Purtell commented on HBASE-7725:
---------------------------------------
-1 Some NPEs out of compaction code:
{noformat}
Caused by: org.apache.hadoop.ipc.RemoteException: java.io.IOException:
java.lang.NullPointerException
at
org.apache.hadoop.hbase.regionserver.CompactSplitThread.requestCompaction(CompactSplitThread.java:217)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.compactRegion(HRegionServer.java:3633)
{noformat}
> 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-v3.patch,
> hbase-7725-v4.patch, hbase-7725-v5.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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