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From Peng Cheng <pc...@uow.edu.au>
Subject Re: Shuffle write increases in spark 1.2
Date Sat, 14 Feb 2015 17:32:34 GMT
I double check the 1.2 feature list and found out that the new sort-based
shuffle manager has nothing to do with HashPartitioner :-< Sorry for the
misinformation.

In another hand. This may explain increase in shuffle spill as a side effect
of the new shuffle manager, let me revert spark.shuffle.manager to hash and
see if it make things better (or worse, as the benchmark in
https://issues.apache.org/jira/browse/SPARK-3280 indicates)



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