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Posted to reviews@spark.apache.org by CodingCat <gi...@git.apache.org> on 2017/11/16 05:23:59 UTC

[GitHub] spark issue #19763: [SPARK-22537][core] Aggregation of map output statistics...

Github user CodingCat commented on the issue:

    https://github.com/apache/spark/pull/19763
  
    my question is "how many times we have seen this operation of collecting statistics is the bottleneck?"


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