[jira] [Commented] (HDDS-17184) Profile and benchmark Ozone CLI startup latency

["Wei-Chiu Chuang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDDS-17184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18129314#comment-18129314 ] 

Wei-Chiu Chuang commented on HDDS-17184:
----------------------------------------

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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