Multi-Leader Architecture
Multi-leader architecture is a distributed database design pattern where multiple nodes can accept write operations independently, asynchronously replicating changes to other nodes. This approach enhances availability and performance by allowing writes to occur locally even during network partitions, but introduces challenges like conflict resolution and eventual consistency. It is commonly used in systems requiring high write throughput across geographically dispersed locations.
Developers should learn multi-leader architecture when building applications that demand high availability, low-latency writes across multiple regions, or offline capabilities, such as collaborative editing tools, global e-commerce platforms, or mobile apps with local data storage. It is particularly useful in scenarios where network failures are common, as it allows writes to continue on local leaders without waiting for central coordination.