design + audit jstest: ingress connection backpressure under thread exhaustion

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    • Type: Task
    • Resolution: Unresolved
    • Priority: Major - P3
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      Companion artifact for SERVER-124134 (DoS surface — ingress connection accept loop without backpressure).

      Names `session_manager_common.cpp:340` as chokepoint. Proposes `maxConnectionsPerWorkerHeadroom` server param, `TooManyOpenConnections` refusal path, `serverStatus.connections.refusedForBackpressure` counter, bounded exponential accept-loop backoff.

      Files in worktree mongo-w4-6:

      • src/mongo/transport/SERVER-124134-design.md
      • jstests/noPassthrough/ingress_backpressure_audit.js

      Status: Draft.

            Assignee:
            Unassigned
            Reporter:
            Mehar Grewal
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              Created:
              Updated: