Tag
logical-clocks
- Nov 14, 2025 Happens-Before and the Scalar Logical Clock How Lamport replaced physical time with a partial order defined by message passing, why one integer per process suffices for that order, and what the integer provably cannot tell you. distributed systems
- Dec 12, 2024 Vector Clocks and the Detection of Concurrency Why one counter per process turns the happens-before relation into a comparison, how the merge rule is defined, and the per-message size that makes the scheme expensive at scale. distributed systems
- Aug 30, 2024 Hybrid Logical Clocks: Physical Time With a Logical Counter How HLC timestamps stay close to wall-clock time while preserving causality, why the counter only appears inside the uncertainty window, and what a bounded timestamp costs. distributed systems