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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