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Posted to issues@beam.apache.org by "Maximilian Michels (JIRA)" <ji...@apache.org> on 2019/04/30 12:03:00 UTC

[jira] [Updated] (BEAM-7188) LTS backport: FlinkRunner does not checkpoint partition view of watermark holds

     [ https://issues.apache.org/jira/browse/BEAM-7188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maximilian Michels updated BEAM-7188:
-------------------------------------
    Fix Version/s:     (was: 2.11.0)
                   2.7.1

> LTS backport: FlinkRunner does not checkpoint partition view of watermark holds
> -------------------------------------------------------------------------------
>
>                 Key: BEAM-7188
>                 URL: https://issues.apache.org/jira/browse/BEAM-7188
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-flink
>            Reporter: Maximilian Michels
>            Assignee: Maximilian Michels
>            Priority: Major
>             Fix For: 2.7.1
>
>
> The FlinkRunner does not persist its view of the per-partition Watermark holds. This can lead to elements to be considered late after restoring from a savepoint or resuming a failed pipeline.
> Similar to the approach in BEAM-6650, we can recover the Watermarks by iterating through the keys of the state backend during recovery.



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