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  1. Core Server
  2. SERVER-1116

qo recover from stale index

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Details

    • Bug
    • Status: Closed
    • Minor - P4
    • Resolution: Duplicate
    • None
    • None
    • Querying

    Description

      An index may look good initially, but be less effective later on, during the getMore stage. Now that we have a MultiPlanScanner we could potentially try out alternative indexes in mid stream and select a better performing candidate.

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        Issue Links

          duplicates

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-15225 CachedPlanStage should execute for trial period and re-plan if query performs poorly

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

          New Feature - A new feature of the product, which has yet to be developed. SERVER-10026 New query system

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

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-8664 Improve query optimizer sampling algorithm

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

          Activity

            People

              david.storch@mongodb.com David Storch
              aaron Aaron Staple
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              Dates

                Created:
                Updated:
                Resolved: