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https://issues.apache.org/jira/browse/HDDS-17184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18129314#comment-18129314
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Wei-Chiu Chuang commented on HDDS-17184:
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cc: [~ayarovoy]
> Profile and benchmark Ozone CLI startup latency
> -----------------------------------------------
>
> Key: HDDS-17184
> URL: https://issues.apache.org/jira/browse/HDDS-17184
> Project: Apache Ozone
> Issue Type: Task
> Components: Ozone CLI
> Reporter: Wei-Chiu Chuang
> Assignee: Andrey Yarovoy
> Priority: Major
> Labels: cli, performance
>
> Establish baseline matrix: ozone version, ozone sh --help, ozone sh volume
> list (no cluster / with cluster), ozone admin, ozone interactive. Split
> *shell time* vs *Java time* (/usr/bin/time, time ozone …, optional
> OZONE_SHELL_TIMING / script markers). JVM: JFR or async-profiler cold start;
> sample -Xlog:class+load=info; compare jar count from ozone classpath
> ozone-cli-shell. Publish numbers + methodology in the Jira comment or a short
> dev doc section.
> Track cold-start / per-invocation overhead under HDDS-17183.
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