Github user StephanEwen commented on the pull request:
https://github.com/apache/incubator-flink/pull/18#issuecomment-46120860
The akka-baed RPC we are trying out right now cannot transfer large data
frames out of the box. We are looking into solutions for that.
Anyways, it is a flaw to allocate the entire buffer in memory before
sending the on-disk jars. That needs to be solved independently of the RPC.
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