[GitHub] spark issue #19788: [SPARK-9853][Core] Optimize shuffle fetch of contiguous ...

[wangyum]

Github user wangyum commented on the issue:

    https://github.com/apache/spark/pull/19788
  
    Thanks @yucai , It's a great improvement for many output files. The figure 
below is our comparison:
    **Before**:
    <img width="1122" alt="before" 
src="https://user-images.githubusercontent.com/5399861/35762292-6b5f9f88-08cf-11e8-8aa5-0d10e4282599.png";>
    **After**:
    <img width="1122" alt="after" 
src="https://user-images.githubusercontent.com/5399861/35762790-9be2e468-08d8-11e8-8403-2f85993eee9d.png";>



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