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  1. Core Server
  2. SERVER-665

special case simple queries for speed in qo

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Details

    • Improvement
    • Status: Closed
    • Major - P3
    • Resolution: Duplicate
    • None
    • None
    • Performance, Querying
    • None

    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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          is depended on by

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-1316 single object update, by _id, seems slow

          • Minor - P4 - Minor loss of function, or other problem where easy workaround is present.
          • Closed
          is related to

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-4670 query optimizer refactoring and performance enhancements for single document lookup, idhack

          • Major - P3 - Major loss of function.
          • Closed
          related to

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-8790 Introduce composable "stages" in query execution

          • Major - P3 - Major loss of function.
          • Closed

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              alerner Alberto Lerner
              eliot Eliot Horowitz (Inactive)
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                Created:
                Updated:
                Resolved: