Commits on Jul 22, 2015

1. [SPARK-9244] Increase some memory defaults …

   There are a few memory limits that people hit often and that we could
   make higher, especially now that memory sizes have grown.
   
   - spark.akka.frameSize: This defaults at 10 but is often hit for map
     output statuses in large shuffles. This memory is not fully allocated
     up-front, so we can just make this larger and still not affect jobs
     that never sent a status that large. We increase it to 128.
   
   - spark.executor.memory: Defaults at 512m, which is really small. We
     increase it to 1g.

   

   mateiz committed Jul 22, 2015
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