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https://issues.apache.org/jira/browse/FLINK-4196?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15374566#comment-15374566
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Aljoscha Krettek commented on FLINK-4196:
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+1, I think this was introduced for the DB backend.
> Remove "recoveryTimestamp"
> --------------------------
>
> Key: FLINK-4196
> URL: https://issues.apache.org/jira/browse/FLINK-4196
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Affects Versions: 1.0.3
> Reporter: Stephan Ewen
>
> I think we should remove the {{recoveryTimestamp}} that is attached on state
> restore calls.
> Given that this is a wall clock timestamp from a master node, which may
> change when clocks are adjusted, and between different master nodes during
> leader change, this is an unsafe concept.
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