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https://issues.apache.org/jira/browse/HADOOP-9336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daryn Sharp updated HADOOP-9336:
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Attachment: HADOOP-9336.patch
HADOOP-9336.branch-23.patch
Add a {{Server.getRemoteUser}} to return the current RPC connection's UGI.
Update tests to ensure that {{UGI.getCurrentUser}} matches
{{Server.getRemoteUser}} - note: as mentioned before, another {{doAs}} on the
server-side intentionally won't be reflected in {{Server.getRemoteUser}}.
> Allow UGI of current connection to be queried
> ---------------------------------------------
>
> Key: HADOOP-9336
> URL: https://issues.apache.org/jira/browse/HADOOP-9336
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Affects Versions: 0.23.0, 2.0.0-alpha, 3.0.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Critical
> Attachments: HADOOP-9336.branch-23.patch, HADOOP-9336.patch
>
>
> Querying {{UGI.getCurrentUser}} is synch'ed and inefficient for short-lived
> RPC requests. Since the connection already contains the UGI, there should be
> a means to query it directly and avoid a call to {{UGI.getCurrentUser}}.
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