Mateusz Adam Katana
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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 - Replica Set

Primary, Secondary, Arbiter, Hidden and Non-voting members with read preferences, voting and S3 backup.
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