High Availability

9 items tagged with "high-availability"

Filter by type:

Patterns1

Pattern

Leader Election

Designates a single instance among many to coordinate work, with automatic failover if the leader becomes unavailable.

Anti-Patterns1

Anti-Pattern

Single Region, No Disaster Recovery

Running an entire system in one region or data center with no disaster-recovery plan, so a regional failure takes everything down with no recovery path.

Tutorials1

Tutorial

How to set up MySQL primary-replica replication

Configure binary log replication from a MySQL primary to a replica for read scaling and high availability, then verify it.

Products1

Product

Apache Cassandra

Distributed NoSQL database for high availability

Reference Architectures2

Reference Architecture

Multi-Region Active-Active Web Platform

A multi-cloud active-active web platform serving users from multiple regions with global routing and replicated data for high availability.

Reference Architecture

Active-Active Resilience Across Clouds

Multi-cloud design that serves traffic from two providers simultaneously to survive a full provider outage.

Stacks1

Stack

Prometheus + Thanos

A scalable, highly available metrics stack extending Prometheus with Thanos for global query, long-term object-storage retention, and multi-cluster aggregation.

FAQs1

FAQ

What is database replication?

Replication keeps copies of a database on multiple servers, typically a primary that accepts writes and one or more replicas that receive the changes....

Glossaries1

Glossary

Availability Zone

An availability zone is one or more discrete data centers within a cloud region, with independent power, cooling, and networking, designed to be isolated from failures in other zones.