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  1. Core Server
  2. SERVER-63694

Accommodate WT-8170

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Details

    • Icon: Improvement Improvement
    • Resolution: Fixed
    • Icon: Major - P3 Major - P3
    • 6.0.0-rc0
    • None
    • None
    • None
    • Fully Compatible
    • v5.3
    • Execution Team 2022-02-21

    Description

      WT-8170 (broadly) aims to improve the WT timestamp assertions. This ticket is to make the accompanying changes for MDB. We'll the following changes:

      • Apply the mixed_mode assertion to the following tables that currently have no assertions:
        • internal-
        • oplog (obsoleted as WT no longer saves TS information on logged tables and therefore disables assertions)
        • config.system.indexBuilds (record store and indexes)

      We expect to move config.system.indexBuilds (in addition to the _mdb_catalog, which currently has an out of timestamp order write and no assertions today) to ordered. See SERVER-60753 and SERVER-60754.

      Ideally this patch can go in without causing any testing failures such that WT-8170 can be dropped at a later time. If that's not viable, we will coordinate a dance of:

      • Disable assertions in a patch
      • Drop WT-8170
      • Re-enable assertions

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            daniel.gottlieb@mongodb.com Daniel Gottlieb (Inactive)
            daniel.gottlieb@mongodb.com Daniel Gottlieb (Inactive)
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