[jira] [Created] (FLINK-17012) Expose cost of task initialization

[Shang Yuanchun (Jira)]

Wenlong Lyu created FLINK-17012:
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             Summary: Expose cost of task initialization
                 Key: FLINK-17012
                 URL: https://issues.apache.org/jira/browse/FLINK-17012
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Metrics
            Reporter: Wenlong Lyu


Currently a task switches to running before fully initialized, does not take state initialization and operator initialization(#open ) in to account, which may take long time to finish. As a result, there would be a weird phenomenon that all tasks are running but throughput is 0.

I think it could be good if we can expose the initialization stage of tasks. What to you think?



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