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Posted to issues@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2015/07/29 10:53:05 UTC

[jira] [Closed] (FLINK-2406) Abstract BarrierBuffer to an exchangeable BarrierHandler

     [ https://issues.apache.org/jira/browse/FLINK-2406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen closed FLINK-2406.
-------------------------------

> Abstract BarrierBuffer to an exchangeable BarrierHandler
> --------------------------------------------------------
>
>                 Key: FLINK-2406
>                 URL: https://issues.apache.org/jira/browse/FLINK-2406
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Streaming
>    Affects Versions: 0.10
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>             Fix For: 0.10
>
>
> We need to make the Checkpoint handling pluggable, to allow us to use different implementations:
>   - BarrierBuffer for "exactly once" processing. This inevitably introduces a bit of latency.
>   - BarrierTracker for "at least once" processing, with no added latency.



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