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From "Stefan Richter (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (FLINK-4809) Operators should tolerate checkpoint failures
Date Mon, 05 Feb 2018 10:26:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-4809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stefan Richter closed FLINK-4809.
---------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: 1.4.0)
                   1.5.0

Merged inĀ {{[7c63526|https://github.com/apache/flink/commit/7c63526ad6f27c6f15625b8b6c48359d9532890b].}}

> 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
>            Priority: Major
>             Fix For: 1.5.0
>
>
> 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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