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  1. WiredTiger
  2. WT-4961

Checkpoints with cache overflow must keep history for reads

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 4.3.1, WT10.0.0, 4.0.14, 4.2.2
    • None
    • None
    • 8
    • Storage Engines 2019-07-29, Storage Engines 2019-08-12, Storage Engines 2019-08-26, Storage Engines 2019-09-09, Storage Engines 2019-09-23, Storage Engines 2019-10-07
    • v4.2, v4.0

    Description

      When a checkpoint executes with stable_timestamp > oldest_timestamp the history in between can be incorrectly discarded if cache overflow is engaged. This means that reads with timestamps between oldest and stable will see newer versions of data than they should.

      Attachments

        Issue Links

          causes

          Bug - A problem which impairs or prevents the functions of the product. WT-5160 Stop requiring a checkpoint before calling rollback_to_stable

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

          Bug - A problem which impairs or prevents the functions of the product. WT-5263 Prepared updates written to the lookaside file are not always read as needed

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

          Bug - A problem which impairs or prevents the functions of the product. WT-4965 Disable problematic eviction during checkpoints

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

          Activity

            People

              vamsi.krishna@mongodb.com Vamsi Boyapati
              michael.cahill@mongodb.com Michael Cahill (Inactive)
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              Dates

                Created:
                Updated:
                Resolved: