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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-12858) Reduce UGI getGroups overhead
Date Mon, 29 Feb 2016 23:18:18 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-12858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daryn Sharp updated HADOOP-12858:
---------------------------------
    Status: Patch Available  (was: Open)

> Reduce UGI getGroups overhead
> -----------------------------
>
>                 Key: HADOOP-12858
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12858
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: performance
>    Affects Versions: 2.0.0-alpha
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>         Attachments: HADOOP-12858.patch
>
>
> Group lookup generates excessive garbage with multiple conversions between collections
and arrays.



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