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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5229) Cleanup StreamTaskStates if a checkpoint operation of a subsequent operator fails
Date Fri, 02 Dec 2016 19:37:58 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15716049#comment-15716049
] 

ASF GitHub Bot commented on FLINK-5229:
---------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/flink/pull/2924


> Cleanup StreamTaskStates if a checkpoint operation of a subsequent operator fails 
> ----------------------------------------------------------------------------------
>
>                 Key: FLINK-5229
>                 URL: https://issues.apache.org/jira/browse/FLINK-5229
>             Project: Flink
>          Issue Type: Bug
>          Components: State Backends, Checkpointing, TaskManager
>    Affects Versions: 1.2.0, 1.1.3
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>             Fix For: 1.2.0, 1.1.4
>
>
> Due to chaining, a {{StreamTask}} needs to checkpoint multiple operators. If the first
operators succeed in creating a checkpoint but a subsequent operator in the chain fails, the
{{StreamTask}} has to clean up the already completed checkpoints. Otherwise we might end up
with orphaned state data.



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