[jira] [Updated] (SPARK-8975) Implement a mechanism to send a new rate from the driver to the block generator

["Sean Owen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-8975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen updated SPARK-8975:
-----------------------------
    Assignee: Iulian Dragos

> Implement a mechanism to send a new rate from the driver to the block generator
> -------------------------------------------------------------------------------
>
>                 Key: SPARK-8975
>                 URL: https://issues.apache.org/jira/browse/SPARK-8975
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Streaming
>            Reporter: Iulian Dragos
>            Assignee: Iulian Dragos
>             Fix For: 1.5.0
>
>
> Full design doc [here|https://docs.google.com/document/d/1ls_g5fFmfbbSTIfQQpUxH56d0f3OksF567zwA00zK9E/edit?usp=sharing]
> - Add a new message, {{RateUpdate(newRate: Long)}} that ReceiverSupervisor handles in its endpoint 
> - Add a new method to ReceiverTracker
> {{def sendRateUpdate(streamId: Int, newRate: Long): Unit}}
> this method sends an asynchronous RateUpdate message to the receiver supervisor corresponding to streamId 
> - update the rate in the corresponding block generator.



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