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  1. Core Server
  2. SERVER-665

special case simple queries for speed in qo

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    Details

    • Type: Improvement
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Performance, Querying
    • Labels:
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      Description

      simple cases should get special case for speed
      i'm thinking
      single index key
      or single index key + sort as a baseline
      i special cased _id in runQuery, so a good comparison is testing _id lookup vs non _id lookup and seeing query optimizer overhead

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