Josh Rosen updated SPARK-3132:
    Assignee:     (was: Davies Liu)

> Avoid serialization for Array[Byte] in TorrentBroadcast
> -------------------------------------------------------
>                 Key: SPARK-3132
>                 URL: https://issues.apache.org/jira/browse/SPARK-3132
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Spark Core
>            Reporter: Reynold Xin
> If the input data is a byte array, we should allow TorrentBroadcast to skip 
> serializing and compressing the input.
> To do this, we should add a new parameter (shortCircuitByteArray) to 
> TorrentBroadcast, and then avoid serialization in if the input is byte array 
> and shortCircuitByteArray is true.
> We should then also do compression in task serialization itself instead of 
> doing it in TorrentBroadcast.

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