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Posted to hdfs-dev@hadoop.apache.org by "Konstantin Shvachko (JIRA)" <ji...@apache.org> on 2010/03/18 00:52:27 UTC

[jira] Created: (HDFS-1043) Benchmark overhead of server-side group resolution of users

Benchmark overhead of server-side group resolution of users
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                 Key: HDFS-1043
                 URL: https://issues.apache.org/jira/browse/HDFS-1043
             Project: Hadoop HDFS
          Issue Type: Test
    Affects Versions: 0.22.0
            Reporter: Konstantin Shvachko
             Fix For: 0.22.0


Server-side user group resolution was introduced in HADOOP-4656. 
The benchmark should repeatedly request the name-node for user group resolution, and reset NN's user group cache periodically.

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