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Databases & messaging · #mongodb
Goal Diagnose intermittent "MongoError: connection pool exhausted" incidents in a Meteor application. Constraints Current Meteor releases default to 10 MongoDB connections per process, adjustable via MONGO_CONNECTION_POOL_SIZE . The pool exhaustion error propagates to clients without built‑in back‑pressure or retry logic. Unresolved Question While the enviro
An upgrade needs a compatibility check, a tested release and a recovery path. Which changes deserve particular attention before the new version reaches production?
A performance change should improve the measured workload without sacrificing correctness or wasting capacity. Which measurements and bottlenecks should be considered first?
Determine under what conditions MongoDB's query planner selects index intersection versus a compound index for queries that contain equality predicates on two different fields. The planner’s choice depends on index selectivity derived from collection statistics, the current state of the plan cache, and memory usage during the intersection merge step; updates
Configuration must be available to the application without exposing credentials in source control, logs or browser code. What belongs in the runtime and which access controls matter?
Recovery needs to recreate the working service and its required data after a machine or process is lost. Which artifacts and state need protection, and how should the restore be checked?