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  1. Core Server
  2. SERVER-22156

dbhash does not invalidate cache for collection or DB level operations

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Done
    • 3.3.0
    • 3.3.1
    • Testing Infrastructure
    • None
    • Fully Compatible
    • ALL
    • TIG F (01/29/16)
    • 0

    Description

      The dbhash cache stores an entry for each namespace.

      Collection or DB level operations pass in the namespace "[DB_NAME].$cmd". So only the entry for [DB_NAME].$cmd is invalidated when one of these operations is called.

      When we run dbhash on a collection that has been dropped and recreated (e.g. [DB_NAME].abcd), the old and incorrect value of the dbhash is used.

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          is depended on by

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-15277 dbhash caching strategy evaluation

          • 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-22317 Make checkReplDBHash hook work with dbhash quirks on 3.2

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

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            People

              robert.guo@mongodb.com Robert Guo (Inactive)
              robert.guo@mongodb.com Robert Guo (Inactive)
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              Dates

                Created:
                Updated:
                Resolved: