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  1. Core Server
  2. SERVER-1116

qo recover from stale index

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor - P4
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Querying
    • Labels:

      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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          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

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                Dates

                • Created:
                  Updated:
                  Resolved: