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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14512) Cache UGI groups
Date Thu, 19 Nov 2015 12:23:11 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15013436#comment-15013436
] 

Hudson commented on HBASE-14512:
--------------------------------

FAILURE: Integrated in HBase-0.98-on-Hadoop-1.1 #1135 (See [https://builds.apache.org/job/HBase-0.98-on-Hadoop-1.1/1135/])
Amend HBASE-14512 Cache UGI groups (apurtell: rev 474c39913738db8a9a7358052e581279b081e471)
* hbase-common/src/main/java/org/apache/hadoop/hbase/security/UserProvider.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-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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