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https://issues.apache.org/jira/browse/HBASE-14512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell reopened HBASE-14512:
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This change will cause Phoenix's PhoenixIndexRpcSchedulerTest to fail with a
NPE. There is something very simple (and correct) we can do as an addendum to
fix it. Attaching the addendum. Unless objection will commit the addendum to
all branches that have this change shortly, to get the 0.98 RC out the door.
> 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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