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Posted to issues@flink.apache.org by "Chesnay Schepler (Jira)" <ji...@apache.org> on 2020/07/03 09:41:00 UTC

[jira] [Updated] (FLINK-17012) Expose stage of task initialization

     [ https://issues.apache.org/jira/browse/FLINK-17012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chesnay Schepler updated FLINK-17012:
-------------------------------------
    Component/s:     (was: Runtime / Metrics)

> Expose stage of task initialization
> -----------------------------------
>
>                 Key: FLINK-17012
>                 URL: https://issues.apache.org/jira/browse/FLINK-17012
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Task
>            Reporter: Wenlong Lyu
>            Priority: Major
>
> 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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