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Posted to issues@ozone.apache.org by "runzhiwang (Jira)" <ji...@apache.org> on 2020/06/05 10:38:00 UTC

[jira] [Updated] (HDDS-3732) Improve the performance of SCM with 7.23% by avoid UUID.toString

     [ https://issues.apache.org/jira/browse/HDDS-3732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

runzhiwang updated HDDS-3732:
-----------------------------
    Summary: Improve the performance of SCM with 7.23% by avoid UUID.toString  (was: Improve the performance of SCM with 7.32% by avoid UUID.toString)

> Improve the performance of SCM with 7.23% by avoid UUID.toString
> ----------------------------------------------------------------
>
>                 Key: HDDS-3732
>                 URL: https://issues.apache.org/jira/browse/HDDS-3732
>             Project: Hadoop Distributed Data Store
>          Issue Type: Sub-task
>            Reporter: runzhiwang
>            Assignee: runzhiwang
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: output.svg, screenshot-1.png
>
>
> UUID.toString cost 7.23% CPU. We can store the string of UUID when init DatanodeDetails, and get the string uuid directly everytime we need, so we can avoid UUID.toString
>  !screenshot-1.png! 



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