[jira] [Resolved] (SPARK-3660) Initial RDD for updateStateByKey transformation

["Tathagata Das (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-3660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tathagata Das resolved SPARK-3660.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 1.3.0

> Initial RDD for updateStateByKey transformation
> -----------------------------------------------
>
>                 Key: SPARK-3660
>                 URL: https://issues.apache.org/jira/browse/SPARK-3660
>             Project: Spark
>          Issue Type: New Feature
>          Components: Streaming
>            Reporter: Soumitra Kumar
>            Priority: Minor
>             Fix For: 1.3.0
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> How to initialize state tranformation updateStateByKey?
> I have word counts from previous spark-submit run, and want to load that in next spark-submit job to start counting over that.
> One proposal is to add following argument to updateStateByKey methods.
> initial : Option [RDD [(K, S)]] = None
> This will maintain the backward compatibility as well.
> I have a working code as well.
> This thread started on spark-user list at:
> http://apache-spark-user-list.1001560.n3.nabble.com/How-to-initialize-updateStateByKey-operation-td14772.html



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