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Posted to issues@flink.apache.org by "yuchen-ecnu (via GitHub)" <gi...@apache.org> on 2024/03/02 06:35:51 UTC

Re: [PR] [FLINK-34533][release] Add release note for version 1.19 [flink]

yuchen-ecnu commented on PR #24394:
URL: https://github.com/apache/flink/pull/24394#issuecomment-1974416293

   Hi @lincoln-lil, so sorry for the delay in resolving the last [ticket](https://issues.apache.org/jira/browse/FLINK-33436) of FLIP-375 until recently. Probably because I didn't fill in the release note in the ticket of FLIP-375, so this part is not in the PR, can you help me to add this part?
   
   Here is the content of the release note for reference.
   
   ```markdown
   #### Supports profiling JobManager/TaskManager with Async-profiler on Flink Web
   
   ##### [FLINK-33325](https://issues.apache.org/jira/browse/FLINK-33325)
   
   In Flink 1.19, we support trigger the JobManager/TaskManager level profiling, which allows users to create a profiling instance with arbitrary intervals and events mode (supported by [async-profiler](https://github.com/async-profiler/async-profiler)).
   Flink users can complete the profiling submission and result export in the Flink Web UI conveniently.
   
   For example, 
   - First, users should find out the candidate TaskManager/JobManager with performance bottleneck for profiling, and switch to the corresponding TaskManager/JobManager page (profiler tab).
   - Users can submit a profiling instance with a specified period and mode by simply clicking on the button `Create Profiling Instance`. (The description of the profiling mode will be shown when hovering over the corresponding mode.)
   - Once the profiling instance is complete, the user can easily download the interactive HTML file by clicking on the link.
   
   **More Information**
   - [Documents](https://nightlies.apache.org/flink/flink-docs-release-1.19/docs/ops/debugging/profiler/)
   - [FLIP-375: Built-in cross-platform powerful java profiler](https://cwiki.apache.org/confluence/x/64lEE)
   ```
   <img width="1858" alt="flip375_example" src="https://github.com/apache/flink/assets/19743175/607347cb-fbd9-4b5f-a3f9-2aae39ad2ced">
   


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