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Posted to issues@spark.apache.org by "Mao, Wei (JIRA)" <ji...@apache.org> on 2015/12/10 09:04:10 UTC

[jira] [Commented] (SPARK-12260) Graceful Shutdown with In-Memory State

    [ https://issues.apache.org/jira/browse/SPARK-12260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15050282#comment-15050282 ] 

Mao, Wei commented on SPARK-12260:
----------------------------------

Here is the design doc: https://docs.google.com/document/d/1JS9W370hNTUCtwHLa8WiKRuOuIbo8A-UwYBdbK7WGg8/edit?usp=sharing

> Graceful Shutdown with In-Memory State
> --------------------------------------
>
>                 Key: SPARK-12260
>                 URL: https://issues.apache.org/jira/browse/SPARK-12260
>             Project: Spark
>          Issue Type: New Feature
>          Components: Streaming
>            Reporter: Mao, Wei
>              Labels: streaming
>
> Users often stop and restart their streaming jobs for tasks such as maintenance, software upgrades or even application logic updates. When a job re-starts it should pick up where it left off i.e. any state information that existed when the job stopped should be used as the initial state when the job restarts.



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