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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5019) Proper isRestored result for tasks that did not write state
Date Wed, 09 Nov 2016 10:24:58 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15650561#comment-15650561
] 

ASF GitHub Bot commented on FLINK-5019:
---------------------------------------

Github user StefanRRichter closed the pull request at:

    https://github.com/apache/flink/pull/2746


> Proper isRestored result for tasks that did not write state
> -----------------------------------------------------------
>
>                 Key: FLINK-5019
>                 URL: https://issues.apache.org/jira/browse/FLINK-5019
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Stefan Richter
>            Assignee: Stefan Richter
>             Fix For: 1.2.0
>
>
> When a subtask is restored from a checkpoint that does not contain any state (e.g. because
the subtask did not write state in the previous run), the result of {{StateInitializationContext::isRestored}}
will incorrectly return false.
> We should ensure that empty state is somehow reflected in a checkpoint and return true
on restore, independent from the presence of state.



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