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From "Elliott Clark (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-14512) Cache UGI groups
Date Wed, 30 Sep 2015 19:54:05 GMT

     [ https://issues.apache.org/jira/browse/HBASE-14512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Elliott Clark updated HBASE-14512:
----------------------------------
      Resolution: Fixed
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

Thanks for the review. Pushed to branch-1.2+

> 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
>
>         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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