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https://issues.apache.org/jira/browse/HDDS-4410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ayush Saxena resolved HDDS-4410.
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Fix Version/s: 1.1.0
Resolution: Fixed
> 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
> Fix For: 1.1.0
>
> 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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