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  1. Pig
  2. PIG-3839 Umbrella jira for Pig on Tez Performance Improvements
  3. PIG-4249

Size estimation should be done in sampler instead of sample aggregator

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    • Sub-task
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • 0.18.0
    • tez
    • None

    Description

      https://reviews.apache.org/r/21302/ comments on Revision 8 - size estimation is done in sample aggregator for order by to keep it same as skewed join but this can have performance implication if the tuple sizes are big.

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            Unassigned Unassigned
            rohini Rohini Palaniswamy
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              Created:
              Updated: