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Posted to issues@flink.apache.org by "Rui Fan (Jira)" <ji...@apache.org> on 2023/09/09 13:55:00 UTC

[jira] [Resolved] (FLINK-33042) Allow trigger flamegraph when task is initializing

     [ https://issues.apache.org/jira/browse/FLINK-33042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rui Fan resolved FLINK-33042.
-----------------------------
    Fix Version/s: 1.19.0
       Resolution: Fixed

> Allow trigger flamegraph when task is initializing 
> ---------------------------------------------------
>
>                 Key: FLINK-33042
>                 URL: https://issues.apache.org/jira/browse/FLINK-33042
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / REST, Runtime / Web Frontend
>            Reporter: Rui Fan
>            Assignee: Rui Fan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.19.0
>
>         Attachments: image-2023-09-06-15-43-37-075.png
>
>
> Currently, the flamegraph can be triggered when task is running.
> After FLINK-17012 and FLINK-22215, flink split the running to running and initializing. We should allow trigger flamegraph when task is initializing. For example, the initialization is very slow, we need to troubleshoot.
>  
> Here is a stack example, task is rebuilding the rocksdb after the parallelism is changed.
>  
> !image-2023-09-06-15-43-37-075.png!
>  



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