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https://issues.apache.org/jira/browse/HDDS-3743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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runzhiwang updated HDDS-3743:
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Summary: Avoid NetUtils.normalize when get DatanodeDetails from proto
(was: Improve OM performance with 4.83% by avoid NetUtils.normalize)
> Avoid NetUtils.normalize when get DatanodeDetails from proto
> ------------------------------------------------------------
>
> Key: HDDS-3743
> URL: https://issues.apache.org/jira/browse/HDDS-3743
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: runzhiwang
> Assignee: runzhiwang
> Priority: Major
> Attachments: om.svg, screenshot-1.png
>
>
> I start a ozone cluster with 1000 datanodes, and run two weeks with heavy
> workload, and perf om.
> You can find NetUtils.normalize cost 4.83% cpu, because it needs to do
> Matcher.replaceAll, we need not to do this when getFromProtoBuf, scm can do
> NetUtils.normalize and keep the result in memory, then pass the result to om.
> !screenshot-1.png!
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