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https://issues.apache.org/jira/browse/FLINK-1493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-1493:
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Labels: auto-deprioritized-major auto-deprioritized-minor (was:
auto-deprioritized-major stale-minor)
Priority: Not a Priority (was: Minor)
This issue was labeled "stale-minor" 7 days ago and has not received any
updates so it is being deprioritized. If this ticket is actually Minor, please
raise the priority and ask a committer to assign you the issue or revive the
public discussion.
> Support for streaming jobs preserving global ordering of records
> ----------------------------------------------------------------
>
> Key: FLINK-1493
> URL: https://issues.apache.org/jira/browse/FLINK-1493
> Project: Flink
> Issue Type: New Feature
> Components: API / DataStream
> Reporter: Márton Balassi
> Priority: Not a Priority
> Labels: auto-deprioritized-major, auto-deprioritized-minor
>
> Distributed streaming jobs do not give total, global ordering guarantees for
> records only partial ordering is provided by the system: records travelling
> on the same exact route of the physical plan are ordered, but they aren't
> between routes.
> It turns out that although this feature can only be implemented via "merge
> sorting" in the input buffers on a timestamp field thus creating substantial
> latency is still desired for a number of applications.
> Just a heads up for the implementation: the sorting introduces back pressure
> in the buffers and might cause deadlocks.
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