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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