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https://issues.apache.org/jira/browse/HBASE-3624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell updated HBASE-3624:
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Resolution: Fixed
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
Committed to trunk including Gary's suggest change.
> Only one coprocessor of each priority type can be loaded for a table
> --------------------------------------------------------------------
>
> Key: HBASE-3624
> URL: https://issues.apache.org/jira/browse/HBASE-3624
> Project: HBase
> Issue Type: Bug
> Components: coprocessors
> Affects Versions: 0.92.0
> Environment: Standalone HBase, linux
> Reporter: Jesse Daniels
> Assignee: Andrew Purtell
> Fix For: 0.92.0
>
> Attachments: HBASE-3624.patch
>
>
> Coprocessors are added to HBase using a TreeSet that is initialized with an
> EnvironmentPriorityComparator. The net effect is that only one coprocessor of
> a given priority can be loaded at a time for a given table. This appears to
> be due to how the TreeSet uses the EnvironmentPriorityComparator to determine
> whether there are duplicate entries - if the coprocessors have the same
> priority (e.g., User), they are considered the same and won't be added to the
> Set.
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