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  1. Core Server
  2. SERVER-17861

Change the default storage engine to wiredTiger

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Details

    • Task
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 3.1.4
    • Storage
    • None
    • Major Change
    • Quint Iteration 3.1.2, Quint Iteration 3, Quint Iteration 4

    Description

      A proposal for handling users upgrading from 3.x to 3.2:
      If a mongod is started without --storageEngine and the storage.bson file in the dbpath indicates mmapv1, then set the global storage engine as mmapv1. Otherwise, set the global storage engine as wiredTiger.

      A proposal for handling users upgrading from 2.6 to 3.2:
      If a mongod is started without --storageEngine and the local.ns file exists in the dbpath, then set the global storage engine as mmapv1. Otherwise, set the global storage engine as wiredTiger. This allows users to upgrade directly from 2.6 to 3.2, even though the storage.bson file would not exist.

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              max.hirschhorn@mongodb.com Max Hirschhorn
              ian@mongodb.com Ian Whalen
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                Updated:
                Resolved: