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Posted to issues@ozone.apache.org by "Ayush Saxena (Jira)" <ji...@apache.org> on 2020/10/31 17:47:00 UTC

[jira] [Updated] (HDDS-4410) Cache DatanodeDetails#getUuidString()

     [ https://issues.apache.org/jira/browse/HDDS-4410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ayush Saxena updated HDDS-4410:
-------------------------------
    Labels: pull-request-available  (was: )

> Cache DatanodeDetails#getUuidString()
> -------------------------------------
>
>                 Key: HDDS-4410
>                 URL: https://issues.apache.org/jira/browse/HDDS-4410
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>          Components: Ozone Manager
>    Affects Versions: 1.0.0
>            Reporter: Wei-Chiu Chuang
>            Assignee: Ayush Saxena
>            Priority: Minor
>              Labels: pull-request-available
>         Attachments: Screen Shot 2020-10-29 at 5.42.57 PM.png
>
>
> DatanodeDetails#getUuidString() is used a lot in OM. In our benchmark about 2% of time is spent getting this string. We should consider caching the string to avoid constructing the UUID string repeatedly.



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