Declare untimestamped writes to disaggregated tables via no_timestamp

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    • Type: Task
    • Resolution: Unresolved
    • Priority: Major - P3
    • 9.1.0-rc0, 9.1.0-rc1024
    • Affects Version/s: None
    • Component/s: WiredTiger
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    • Storage Engines - Foundations
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      Writes to disaggregated (layered) tables have always required a commit
      timestamp. WT-18585 added a check that enforces it. MongoDB has call sites that
      violate the requirement, so the check currently defaults to off
      (debug_mode=(disagg_commit_ts_optional=true)); WT-18608 tracks turning it on.

      Declare each violating site explicitly with
      RecoveryUnit::allowOneUntimestampedWrite() (begin_transaction(no_timestamp=true)),
      or give it a real timestamp where that is straightforward, so the global opt-out
      can be dropped.

      Declaring only makes a violation per-site and greppable; it does not make the
      write correct. Replacing the remaining declarations with real timestamps is
      tracked separately.

            Assignee:
            Ivan Kochin
            Reporter:
            Ivan Kochin
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              Created:
              Updated: