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Posted to issues@flink.apache.org by "Yun Gao (Jira)" <ji...@apache.org> on 2021/01/22 04:03:00 UTC

[jira] [Updated] (FLINK-21084) Allows tasks to report operator subtask finish state

     [ https://issues.apache.org/jira/browse/FLINK-21084?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yun Gao updated FLINK-21084:
----------------------------
    Component/s: API / DataStream

> Allows tasks to report operator subtask finish state
> ----------------------------------------------------
>
>                 Key: FLINK-21084
>                 URL: https://issues.apache.org/jira/browse/FLINK-21084
>             Project: Flink
>          Issue Type: Sub-task
>          Components: API / DataStream, Runtime / Checkpointing
>            Reporter: Yun Gao
>            Priority: Major
>
> Once an operator is fully finished (e.g., all its subtasks are finished) in one checkpoint, the state need to be recorded to skip the execution of this operator after recovery. Thus we should allow operators to report finished state so that CheckpointCoordinator could identify fully finished operators for each checkpoint.



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