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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/03/08 01:27:44 UTC
[GitHub] [spark] zjf2012 commented on issue #23560: [SPARK-26632][Spark
Core] Separate Thread Configurations of Driver and Executor
zjf2012 commented on issue #23560: [SPARK-26632][Spark Core] Separate Thread Configurations of Driver and Executor
URL: https://github.com/apache/spark/pull/23560#issuecomment-470768296
@attilapiros, both *.io.serverThreads and *.io.clientThreads were 8, which is maximum allowed value at the time, for the "old overall time". For the *.netty.dispatcher.numThreads, it applied to both driver and executor. We turned it down to 8 too from its default value, which is number of cores (64 in this case), to reach optimized result.
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