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Posted to issues@flink.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/08/04 16:31:00 UTC
[jira] [Commented] (FLINK-7213) Introduce state management by
OperatorID in TaskManager
[ https://issues.apache.org/jira/browse/FLINK-7213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16114589#comment-16114589 ]
ASF GitHub Bot commented on FLINK-7213:
---------------------------------------
Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/4353
I had a very rough look at it, and the conceptual rework looks very good.
This would need a detailed pass over the code changes, though, since it touches very sensitive code...
> Introduce state management by OperatorID in TaskManager
> -------------------------------------------------------
>
> Key: FLINK-7213
> URL: https://issues.apache.org/jira/browse/FLINK-7213
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Affects Versions: 1.4.0
> Reporter: Stefan Richter
> Assignee: Stefan Richter
>
> Flink-5892 introduced the job manager / checkpoint coordinator part of managing state on the operator level instead of the task level by introducing explicit operator_id -> state mappings. However, this explicit mapping was not introduced in the task manager side, so the explicit mapping is still converted into a mapping that suits the implicit operator chain order.
> We should also introduce explicit operator ids to state management on the task manager.
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