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  1. WiredTiger
  2. WT-4101

Don't abort the eviction server during session verify when oldest_timestamp is held back

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • 3.6.9, 4.0.1, 4.1.1, WT3.2.0
    • None
    • 8
    • Storage Non-NYC 2018-06-18, Storage Non-NYC 2018-07-02
    • v3.6

    Description

      When the oldest_timestamp is held back, and stable_timestamp moves forward after the new snapshot is taken for updates, the page eviction would abort during WT_SESSION.verify. This issue became more visible after SERVER-31767. It's only specific to MongoDB DEBUG builds (and corresponding WiredTiger diagnostic builds).

      It would be helpful to add a Python test to cover this scenario:

      1. hold back oldest_timestamp
      2. insert data
      3. create a checkpoint
      4. run verify. 

      Attachments

        Issue Links

          is depended on by

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-35259 Activate the snapshot window by setting the default to non-zero

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

          Bug - A problem which impairs or prevents the functions of the product. WT-5650 Fix a race condition between reading the WT_PAGE.modify field and the page being dirtied.

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

          Task - A task that needs to be done. SERVER-31767 Provide a window of snapshot history that is accessible for PIT reads

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

          Improvement - An improvement or enhancement to an existing feature or task. SERVER-35251 Set the snapshot window default size to zero temporarily

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

          Activity

            People

              vamsi.krishna@mongodb.com Vamsi Boyapati
              luke.chen@mongodb.com Luke Chen
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              Dates

                Created:
                Updated:
                Resolved: