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From "Marcelo Vanzin (JIRA)" <>
Subject [jira] [Resolved] (SPARK-11235) Support streaming data using network library
Date Wed, 04 Nov 2015 17:12:27 GMT


Marcelo Vanzin resolved SPARK-11235.
       Resolution: Fixed
         Assignee: Marcelo Vanzin
    Fix Version/s: 1.6.0

> Support streaming data using network library
> --------------------------------------------
>                 Key: SPARK-11235
>                 URL:
>             Project: Spark
>          Issue Type: New Feature
>          Components: Spark Core
>            Reporter: Marcelo Vanzin
>            Assignee: Marcelo Vanzin
>             Fix For: 1.6.0
> As part of the work to implement SPARK-11140, it would be nice to have the network library
efficiently stream data over a connection.
> Currently all it has is the shuffle data protocol, which is not very efficient for large
files; it requires the whole file to be buffered on the receiver side before the receiver
can do anything. For large files, that comes at a huge cost in memory. You can chunk large
files but that requires the client to ask for each chunk separately.
> Instead, a similar approach but allowing the data to be processed as it arrives would
be a lot more efficient, and make it easier to implement the file server in the referenced

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