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Posted to common-dev@hadoop.apache.org by "Ahmed Hussein (Jira)" <ji...@apache.org> on 2021/01/21 17:34:00 UTC

[jira] [Created] (HADOOP-17485) port UGI#getGroupsSet optimizations into 2.10

Ahmed Hussein created HADOOP-17485:
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             Summary: port UGI#getGroupsSet optimizations into 2.10
                 Key: HADOOP-17485
                 URL: https://issues.apache.org/jira/browse/HADOOP-17485
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Ahmed Hussein
            Assignee: Ahmed Hussein


HADOOP-17079 introduced an optimization adding a UGI#getGroupsSet and use Set#contains() instead of List#contains() to speed up large group look up while minimize List->Set conversions in Groups#getGroups() call.

This ticket is to port the changes into branch-2.10.



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