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  1. Core Server
  2. SERVER-56142

Modernize writeConcern w:0 handling in the shell

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    • Type: Icon: Improvement Improvement
    • Resolution: Works as Designed
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: Shell
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    • Query Execution 2021-05-17

      When the mongo shell sends a w:0 write, it will do so using the legacy write protocol. Modern drivers will instead send an `OP_MSG` with the `moreToCome` but set, a path that we may not be currently testing in our integration test suite.

      We could consider making changes to use the legacy wire protocol when the shell is in `writeMode:legacy` and using `OP_MSG` for the default `writeMode:commands`.

            Assignee:
            eric.cox@mongodb.com Eric Cox (Inactive)
            Reporter:
            james.wahlin@mongodb.com James Wahlin
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