Glossary term
What is version vector? Meaning for developers
A small map of counters that lets replicas tell whether one update came after another or the two were concurrent.
Learn it properly · System Design Case Studies 2Lesson 1: Design a Key-Value Store (Like Redis or Dynamo)A write-ahead log and snapshots on one node, then a consistent-hash ring, N/R/W quorum and version vectors across many.