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  1. Go Driver
  2. GODRIVER-3054

OP_QUERY isMaster used in load balancer mode

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 2.0.0, 1.13.1
    • Affects Version/s: 1.13.0
    • Component/s: None
    • Labels:
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    • Not Needed
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      1. What would you like to communicate to the user about this feature?
      2. Would you like the user to see examples of the syntax and/or executable code and its output?
      3. Which versions of the driver/connector does this apply to?

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      1. What would you like to communicate to the user about this feature? 2. Would you like the user to see examples of the syntax and/or executable code and its output? 3. Which versions of the driver/connector does this apply to?

      Context


      We found in serverless tests that Go driver uses OP_QUERY with isMaster in load balancer mode. Howerver, the spec says OP_MSG must be used.

      [2023/10/02 17:49:04.806] [ProxySession(60e60c6ccbd24f21a039c13a_,10673-drivers-testing-lb.2tzoa.mongodb-dev.net,3.236.71.14:54856).debug] [session_proxy.go:handleQueryMessage:498] got OP_QUERY isMaster
[2023/10/02 17:49:04.806] [ProxySession(60e60c6ccbd24f21a039c13a_,10673-drivers-testing-lb.2tzoa.mongodb-dev.net,3.236.71.14:54856).info] [session_proxy.go:handleClientMetadata:407] received client metadata from 3.236.71.14:54856:{"driver":{"name":"mongo-go-driver","version":"v1.13.0-prerelease"},"os":{"type":"linux","architecture":"amd64"},"platform":"go1.20.8"}

      Definition of done

      Hello commamnd with OP_MSG is used instead.

      Pitfalls

      What should the implementer watch out for? What are the risks?

            Assignee:
            preston.vasquez@mongodb.com Preston Vasquez
            Reporter:
            siyuan.zhou@mongodb.com Siyuan Zhou
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              Created:
              Updated:
              Resolved: