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Be smart about groupBy(Key) #27

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zero323 opened this issue Jul 18, 2016 · 0 comments
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Be smart about groupBy(Key) #27

zero323 opened this issue Jul 18, 2016 · 0 comments
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zero323 commented Jul 18, 2016

  • What is wrong with groupBy*.
  • Why not all gropuBy* are equal.
  • Why naive implementations will only make things worse.
  • When groupBy* is the right choice.
@eliasah eliasah closed this as completed in fa73e87 Sep 6, 2016
eliasah added a commit to eliasah/spark-gotchas that referenced this issue Sep 9, 2016
@eliasah
Merge pull request awesome-spark#36 from awesome-spark/be-smart-about…
12a20db 
…-group-by-key

Be smart about group by key. Resolves awesome-spark#27
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