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https://issues.apache.org/jira/browse/HDFS-17439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17830682#comment-17830682
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ASF GitHub Bot commented on HDFS-17439:
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fateh288 closed pull request #6674: HDFS-17439. Support -nonSuperUser for
NNThroughputBenchmark.
URL: https://github.com/apache/hadoop/pull/6674
> Improve NNThroughputBenchmark to allow non super user to use the tool
> ---------------------------------------------------------------------
>
> Key: HDFS-17439
> URL: https://issues.apache.org/jira/browse/HDFS-17439
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: benchmarks, namenode
> Reporter: Fateh Singh
> Priority: Major
> Labels: pull-request-available
>
> The NNThroughputBenchmark can only be used with hdfs user or any user with
> super user privileges since entering/exiting safemode is a privileged
> operation. However, when using super user, ACL checks are skipped. Hence it
> renders the tool to be useless when testing namenode performance along with
> authorization frameworks such as Apache Ranger / any other authorization
> frameworks.
> An optional argument such as -nonSuperUser can be used to skip the statements
> such as entering / exiting safemode. This optional argument makes the tool
> useful for incorporating authorization frameworks into the performance
> estimation flows.
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