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https://issues.apache.org/jira/browse/HBASE-14512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15103057#comment-15103057
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Hudson commented on HBASE-14512:
--------------------------------

FAILURE: Integrated in HBase-Trunk_matrix #638 (See 
[https://builds.apache.org/job/HBase-Trunk_matrix/638/])
Amend HBASE-14512 Cache UGI groups (apurtell: rev 
387eaff316d32b9983ecfff74520f6cb0e9b7404)
* hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServer.java


> Cache UGI groups
> ----------------
>
>                 Key: HBASE-14512
>                 URL: https://issues.apache.org/jira/browse/HBASE-14512
>             Project: HBase
>          Issue Type: Bug
>          Components: Performance, security
>    Affects Versions: 1.2.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>             Fix For: 2.0.0, 1.2.0, 1.3.0, 0.98.17
>
>         Attachments: HBASE-14512-addendum-0.98.patch, HBASE-14512-v1.patch, 
> HBASE-14512-v2.patch, HBASE-14512-v3.patch, HBASE-14512-v4.patch, 
> HBASE-14512.patch
>
>
> Right now every call gets a new User object.
> We should keep the same user for the life of a connection. We should also 
> cache the group names. However we can't cache the groups for forever as that 
> would mean groups don't get refreshed every 5 mins.



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