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  1. Documentation
  2. DOCS-4571

In 2.8 sharded clusters support covered queries

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Details

    • Task
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • v1.3.16, mongodb-3.0
    • manual
    • None
    • 8

    Description

      From General Improvements in MongoDB 2.8:

      For sharded collections, indexes can now cover queries that execute against the primary.

      The limitation should be removed and version changed should be mentioned:
      http://docs.mongodb.org/manual/core/query-optimization/#limitations

      Attachments

        Issue Links

          is related to

          Task - A task that needs to be done. DOCS-4581 2.6 covered queries for sharded collections

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

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-5022 full document always loaded for matches if there is a chunk manager

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

          Task - A task that needs to be done. DOCS-3820 Limitation on covered queries for sharding should also be included in the covered index tutorial

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

          Activity

            People

              kay.kim@mongodb.com Kay Kim (Inactive)
              gianfranco Gianfranco Palumbo
              Jess Mokrzecki Jess Mokrzecki
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              Dates

                Created:
                Updated:
                Resolved:
                8 years, 24 weeks ago