Horizontally scaled MongoDB with sharding, replica sets, config servers, and mongos query routing.
App connects via MongoDB driver with connection pooling.
Query router that directs operations to the correct shard.
Replica set storing cluster metadata, shard key ranges, and chunk mappings.
Replica set: primary + 2 secondaries handling a range of shard keys.
Replica set handling another range of the shard key space.
Replica set for additional capacity and data distribution.
Background process that migrates chunks between shards for even distribution.
Change streams for real-time event processing from replica set oplogs.
Performance monitoring, alerts, and automated scaling.
Continuous backup with point-in-time recovery.
Explore this architecture with animated data flows, node auditing, and AI-powered analysis.
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