SERVER-84018: The multiPlannerFallbackEngaged Flag
Adding observability for query-settings fallback to MongoDB’s slow query log and profiler, and why the flag has to live on OpDebug rather than in AdditiveMetrics, which is replaced mid-operation.
Adding observability for query-settings fallback to MongoDB’s slow query log and profiler, and why the flag has to live on OpDebug rather than in AdditiveMetrics, which is replaced mid-operation.