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Posted to issues@hbase.apache.org by "Elliott Clark (JIRA)" <ji...@apache.org> on 2015/09/29 23:18:04 UTC
[jira] [Commented] (HBASE-14512) Cache UGI groups
[ https://issues.apache.org/jira/browse/HBASE-14512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14935879#comment-14935879 ]
Elliott Clark commented on HBASE-14512:
---------------------------------------
cc [~ghelmling]
> 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.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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