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Posted to issues@ozone.apache.org by "runzhiwang (Jira)" <ji...@apache.org> on 2020/06/06 02:22:00 UTC
[jira] [Updated] (HDDS-3738) Improve OM performance with 13.47% by
avoid UUID.fromString
[ https://issues.apache.org/jira/browse/HDDS-3738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
runzhiwang updated HDDS-3738:
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Summary: Improve OM performance with 13.47% by avoid UUID.fromString (was: Improve the performance of OM with 13.47 by avoid UUID.fromString)
> Improve OM performance with 13.47% by avoid UUID.fromString
> -----------------------------------------------------------
>
> Key: HDDS-3738
> URL: https://issues.apache.org/jira/browse/HDDS-3738
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: runzhiwang
> Assignee: runzhiwang
> Priority: Major
> Attachments: output.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 UUID.fromString when init DatanodeDetails from proto cost 13.47% CPU. I'm not sure whether we can use string of UUID everywhere, instead of UUID, so that we can avoid UUID.fromString.
> !screenshot-1.png!
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