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https://issues.apache.org/jira/browse/HADOOP-19391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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farmmamba updated HADOOP-19391:
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Summary: NNBench optimize: time consumption compute and usage information.
(was: HADOOP-19391. NNBench optimize: time consumption compute and usage
information.)
> NNBench optimize: time consumption compute and usage information.
> -----------------------------------------------------------------
>
> Key: HADOOP-19391
> URL: https://issues.apache.org/jira/browse/HADOOP-19391
> Project: Hadoop Common
> Issue Type: Improvement
> Components: tools
> Affects Versions: 3.4.1
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Minor
> Labels: pull-request-available
>
> Two points:
> # Use `Time.monotonicNow()` rather than `System.currentTimeMillis()` to
> calculate time consumption, because when we only test metadata performance,
> the resolution of `System.currentTimeMillis()` can not meet our needs.
> # The decription of NNBench's parameters are not clearly stated.
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