[GitHub] spark pull request: [SPARK-6157][CORE]Unroll unsuccessful memory_a...

[suyanNone <gi...@git.apache.org>]

Github user suyanNone commented on the pull request:

    https://github.com/apache/spark/pull/4887#issuecomment-136657671
  
    @srowen @nitin2goyal  I not sure it is need because there is a big change for memory threshold per thread.
    
    In the previous situation, it is aim to resolve memory_and_disk level block, first unroll failed, but it will reserved unroll memory for this thread,  and that unroll memory part should release after that block already put into disk.  


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