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https://issues.apache.org/jira/browse/FLINK-4417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ramkrishna.s.vasudevan reassigned FLINK-4417:
---------------------------------------------
Assignee: ramkrishna.s.vasudevan
> Checkpoints should be subsumed by CheckpointID not, by timestamp
> ----------------------------------------------------------------
>
> Key: FLINK-4417
> URL: https://issues.apache.org/jira/browse/FLINK-4417
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Affects Versions: 1.1.2
> Reporter: Stephan Ewen
> Assignee: ramkrishna.s.vasudevan
> Fix For: 1.2.0
>
>
> Since the system clocks cannot be expected to be stable/monotonous, the
> subsumption logic in the checkpoint coordinator should not decide which
> checkpoint is "newer" based on the system time.
> The checkpoint ID is guaranteed to be strictly monotonously increasing. It is
> a better measure to decide which checkpoint is newer.
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