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Posted to issues@flink.apache.org by "Rui Fan (Jira)" <ji...@apache.org> on 2023/09/06 07:44:00 UTC

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

Rui Fan created FLINK-33042:
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             Summary: 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
         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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