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  1. WiredTiger
  2. WT-2262

Random sampling is skewed by tree shape

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • WT2.8.0
    • None
    • None

    Description

      The next_random config for cursors gives results that are biased by tree shape. This leads to non-uniform results (e.g., for oplogStones).

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        Issue Links

          is depended on by

          Bug - A problem which impairs or prevents the functions of the product. SERVER-21872 WiredTiger changes for 3.2.1

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

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-21920 Use enhanced WiredTiger next_random cursors for oplog stones

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

          Web Link https://github.com/wiredtiger/wiredtiger/pull/2363

          Activity

            People

              keith.bostic@mongodb.com Keith Bostic (Inactive)
              michael.cahill@mongodb.com Michael Cahill (Inactive)
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              Dates

                Created:
                Updated:
                Resolved: