Investigate short-term improvements to TransactionCoordinator to reduce the number of threads it spawns

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    • Type: Task
    • Resolution: Unresolved
    • Priority: Major - P3
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    • Affects Version/s: None
    • Component/s: Sharding
    • Replication
    • Repl 2024-06-24
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    • 3
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      One idea would be to defer the construction of the TransactionCoordinator object until the coordinateCommitTransaction command is received. This way for a single-transaction or other transaction commit types which don't require two-phase commit the system wouldn't need to run TransactionCoordinator::_done() as a task on the fixed executor to simply destroy the TransactionCoordinator object and decrement counters.

            Assignee:
            Unassigned
            Reporter:
            Max Hirschhorn
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              Created:
              Updated: