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  1. Flink
  2. FLINK-33325

FLIP-375: Built-in cross-platform powerful java profiler

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      Since Flink 1.19, we support profiling the JobManager/TaskManager process interactively with [async-profiler](https://github.com/async-profiler/async-profiler) via the Flink Web UI, which allows users to create a profiling instance with arbitrary intervals and event modes, e.g ITIMER, CPU, Lock, Wall-Clock and Allocation.
      Flink users can complete the profiling submission and result export via 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)
      Show
      Since Flink 1.19, we support profiling the JobManager/TaskManager process interactively with [async-profiler]( https://github.com/async-profiler/async-profiler ) via the Flink Web UI, which allows users to create a profiling instance with arbitrary intervals and event modes, e.g ITIMER, CPU, Lock, Wall-Clock and Allocation. Flink users can complete the profiling submission and result export via 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 )

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      This is an umbrella JIRA of FLIP-375

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              Yu Chen Yu Chen
              Yu Chen Yu Chen
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