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Posted to gitbox@hive.apache.org by GitBox <gi...@apache.org> on 2019/07/09 13:15:38 UTC

[GitHub] [hive] ImTangYun opened a new pull request #710: fix problem of mr data skew while druid handler indexing data

ImTangYun opened a new pull request #710: fix problem of mr data skew while druid handler indexing data
URL: https://github.com/apache/hive/pull/710
 
 
          modify partitioning key from basing on floor(1/rand) % targetShardsPerGranularity
          to on floor(targetShardsPerGranularity * rand) % targetShardsPerGranularity ,which is Linear transformation
   

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