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  1. Documentation
  2. DOCS-315

Default size of oplog on OS X is 192Mb

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    Description

      The default size of the oplog is 192Mb on OS X. I couldn't find any mention of this in the documentation:
      http://docs.mongodb.org/manual/core/replication/#replica-set-oplog-sizing

      However, Kyle's "MongoDB in Action" book has a footnote on "larger of 1GB of 5% of free disk space" on p.167:
      [7] Unless you're running on OS X, in which case the oplog will be 192MB. This smaller size is due to the assumption that OS X machines are development machines.

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            sam.kleinman Sam Kleinman (Inactive)
            stephen.steneker@mongodb.com Stennie Steneker (Inactive)
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              Created:
              Updated:
              Resolved:
              11 years, 33 weeks, 2 days ago