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  1. Select the taskmanager to be sampled in taskmanager tab (or through the link in the operator detail drawer). Note that we also provided the ability to jump to the taskmanage Page from the back-pressured node in FLINK-29996.
  2. Type in the appropriate sampling interval, and profiling mode(event_mode), then click the ”Create Profiling Instance“ button to complete the submission of the profiling request.
  3. The profiling progress will be refreshed automatically. Once the sampling is complete, the link or error message will be displayed in the corresponding profiling request record.
  4. We can download the interactive HTML file locally by clicking on the download link for further comparison, searching, and sharing.

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Figure 4. Examples of user interactions

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