Ordering Guarantees in Distributed Messaging
Understand how message brokers provide ordering guarantees, from FIFO queues to causal ordering across partitions, and the trade-offs in distributed systems.
Posts tagged with #distributed-systems
The Outbox Pattern for Reliable Event Publishing
Learn how the transactional outbox prevents lost events, how relays publish them, and how idempotent consumers handle duplicates in distributed systems.
Paxos Consensus Algorithm
Paxos is a family of consensus algorithms for achieving agreement in distributed systems despite failures, pioneered by Leslie Lamport.
Physical Clocks in Distributed Systems: NTP and Synchronization
Learn how physical clocks work in distributed systems, including NTP synchronization, clock sources, and the limitations of wall-clock time for ordering events.
Raft Consensus Algorithm
Raft is a consensus algorithm designed to be understandable, decomposing the problem into leader election, log replication, and safety.
Service Registry: Dynamic Service Discovery in Microservices
Understand how service registries enable dynamic service discovery, health tracking, and failover in distributed microservices systems.
Synchronous Replication: Data Consistency Across Nodes
Learn about synchronous replication patterns in distributed databases, including Quorum-based replication and write-ahead log shipping for zero RPO.
TCC: Try-Confirm-Cancel Pattern for Distributed Transactions
Learn the Try-Confirm-Cancel pattern for distributed transactions. Explore how TCC differs from 2PC and saga, with implementation examples and real-world use cases.
Three-Phase Commit: Non-Blocking Distributed Transactions
Learn how Three-Phase Commit (3PC) extends 2PC with a pre-commit phase, its assumptions, limitations, and when to use it.
TrueTime: Google's Globally Synchronized Clock Infrastructure
Learn how Google uses TrueTime for globally distributed transactions with external consistency. Covers the Spanner system, time bounded uncertainty, and HW-assisted synchronization.