Quorum
System Design
The minimum number of nodes that must agree on a value in a distributed system before that value is considered committed. Essential for consensus protocols.
Tags
distributed-systemsconsensusreliability
Related Concepts
CAP Theorem
System Design
States that a distributed system can only guarantee two of three properties: Consistency, Availability, and Partition Tolerance.
distributed-systemstheorytradeoffs
ACID
DBMS
Properties that guarantee reliable database transactions: Atomicity, Consistency, Isolation, and Durability.
transactionsreliabilityfundamentals
Sharding
DBMS
Horizontal partitioning of data across multiple database instances, where each shard contains a subset of the total data.
scalabilitydistributed-systemspartitioning