What a Modern Database Enables
summary
Aerospike implements a roster-based non‑quorum strong consistency that coordinates write‑all replication with an optimized two‑phase commit so writes complete with no data loss and reads can be linearizable or sequentially consistent depending on policy. A two‑copy steady state can spawn a temporary third copy during failures to preserve availability. The engine uses a hybrid memory architecture (DRAM indexes + SSD data) and claims 15 million transactions per second on one node and a three‑copy three‑rack US/UK deployment that rehydrates automatically in production.
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chapters (7)
- 0:00Modern database intro
- 2:52Strongly consistent transactions
- 7:50Maximizing availability
- 12:26Globally distributed systems
- 15:14Hardware for performance
- 18:22Parallelism and indexing
- 23:24Real-time with Aerospike
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