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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4809) Operators should tolerate checkpoint failures
Date Tue, 07 Nov 2017 21:29:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16242917#comment-16242917

ASF GitHub Bot commented on FLINK-4809:

Github user PangZhi commented on the issue:

    @StefanRRichter do we have any update on this PR?

> Operators should tolerate checkpoint failures
> ---------------------------------------------
>                 Key: FLINK-4809
>                 URL: https://issues.apache.org/jira/browse/FLINK-4809
>             Project: Flink
>          Issue Type: Sub-task
>          Components: State Backends, Checkpointing
>            Reporter: Stephan Ewen
>            Assignee: Stefan Richter
>             Fix For: 1.4.0
> Operators should try/catch exceptions in the synchronous and asynchronous part of the
checkpoint and send a {{DeclineCheckpoint}} message as a result.
> The decline message should have the failure cause attached to it.
> The checkpoint barrier should be sent anyways as a first step before attempting to make
a state checkpoint, to make sure that downstream operators do not block in alignment.

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