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From "Haopu Wang (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (SPARK-25171) After restart, StreamingContext is replaying the last successful micro-batch right before the stop
Date Thu, 23 Aug 2018 07:13:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-25171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Haopu Wang updated SPARK-25171:
-------------------------------
    Comment: was deleted

(was: [~jerryshao], do you have any)

> After restart, StreamingContext is replaying the last successful micro-batch right before
the stop
> --------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-25171
>                 URL: https://issues.apache.org/jira/browse/SPARK-25171
>             Project: Spark
>          Issue Type: Bug
>          Components: DStreams
>    Affects Versions: 2.3.1
>            Reporter: Haopu Wang
>            Priority: Major
>
> Please look at this line:
>  
> [https://github.com/apache/spark/blob/8bde4678166f5f01837919d4f8d742b89f5e76b8/streaming/src/main/scala/org/apache/spark/streaming/scheduler/JobGenerator.scala#L216]
>  
> "checkpointTime" represents a successful micro-batch. Why do we still treat it as "pending"?
>  
> I think this is a bug. It cause duplicate processing.
>  



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