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  1. WiredTiger
  2. WT-3769

Fix a bug in reverse cursor walks with particular delete patterns and prefix compression enabled

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Details

    • Improvement
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 3.6.3, 3.7.1, WT3.1.0
    • None
    • None
    • Storage 2017-12-04, Storage 2017-12-18, Storage 2018-01-01
    • v3.6

    Description

      When we turned on prefix compression for the lookaside table we discovered a bug where a deleted page, with prefix compressed keys meant that the key wasn't being instantiated as expected.

      Attachments

        1. test.py
          6 kB
        2. test.txt
          6 kB

        Issue Links

          causes

          Bug - A problem which impairs or prevents the functions of the product. WT-3835 cursor remove tries to return a key that doesn't exist

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

          Bug - A problem which impairs or prevents the functions of the product. WT-5134 Fix leaf-page only search and search-near operations

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

          Improvement - An improvement or enhancement to an existing feature or task. WT-3816 Enable prefix compression on the lookaside table

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

          Bug - A problem which impairs or prevents the functions of the product. WT-3878 Iteration can lose its position when updating a limbo page

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

          Web Link https://github.com/wiredtiger/wiredtiger/pull/3843

          Web Link https://github.com/wiredtiger/wiredtiger/pull/3854

          Activity

            People

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

                Created:
                Updated:
                Resolved: