Glossary term
What is CAP theorem? Meaning for developers
CAP theorem stands for Consistency, Availability, Partition tolerance.
During a network partition, choose consistency or availability. Example: Bank: refuse (C) vs allow a possibly wrong balance (A).
Learn it properly · System DesignLesson 27: CAP Theorem & PACELC Without the Confusion“MongoDB is CP, Cassandra is AP, pick two of three” — mostly misleading. What CAP really says about network partitions, why “CA” isn't a real option, and PACELC: the latency-vs-consistency trade you pay every day, even when nothing is broken.