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From "Jingsong Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-1723) FlinkRunner should deduplicate when an UnboundedSource requires Deduping
Date Sun, 09 Apr 2017 12:20:41 GMT

    [ https://issues.apache.org/jira/browse/BEAM-1723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15962125#comment-15962125
] 

Jingsong Lee commented on BEAM-1723:
------------------------------------

I think it is necessary to be configurable because the deduplication window is related to
the checkpoint interval.

> FlinkRunner should deduplicate when an UnboundedSource requires Deduping
> ------------------------------------------------------------------------
>
>                 Key: BEAM-1723
>                 URL: https://issues.apache.org/jira/browse/BEAM-1723
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-flink
>            Reporter: Thomas Groh
>            Assignee: Jingsong Lee
>
> UnboundedSource implementations can require deduping, and the FlinkRunner currently logs
a warning that this is not supported.
> https://github.com/apache/beam/blob/master/runners/flink/runner/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/io/UnboundedSourceWrapper.java#L139



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