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Architectures

Elasticsearch - AIOElasticsearch - RolesElasticsearch - RoutingIstio - BaseIstio - Blue/GreenIstio - East/WestIstio - Authorization / EgressKafka - Split-horizon DNSKafka - Separated Controllers / BrokersMongoDB - Replica SetMongoDB - Sharded ClusterMongoDB - Write ConcernRedis - StandaloneRedis - Master / ReplicasRedis - Sentinel (Client)Redis - Sentinel (Services)Redis - Cluster

MongoDB - Write Concern

Acknowledgment paths for w: 1, majority and w: 3 on a three-member replica set.
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