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Posted to issues@flink.apache.org by "Piotr Nowojski (Jira)" <ji...@apache.org> on 2020/10/29 11:32:00 UTC
[jira] [Updated] (FLINK-19680) Add EventAnnouncement priority
message
[ https://issues.apache.org/jira/browse/FLINK-19680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Piotr Nowojski updated FLINK-19680:
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Summary: Add EventAnnouncement priority message (was: Add CheckpointBarrierAnnouncement priority message)
> Add EventAnnouncement priority message
> --------------------------------------
>
> Key: FLINK-19680
> URL: https://issues.apache.org/jira/browse/FLINK-19680
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Checkpointing
> Affects Versions: 1.12.0
> Reporter: Piotr Nowojski
> Assignee: Piotr Nowojski
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.12.0
>
>
> When an aligned checkpoint barrier arrives in an input channel, we should enqueue at the head of the queue priority event, announcing arrival of the checkpoint barrier.
> Such announcement event should be propagated to the `CheckpointBarrierHandler`. Based on that, `CheckpointBarrierHandler` will be able to implement logic of time outing from aligned checkpoint to unaligned checkpoint.
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