failover

The most popular Kubernetes Operator for PostgreSQL.

A template for PostgreSQL High Availability with Etcd, Consul, ZooKeeper, or Kubernetes

Hackable HTTP proxy for resiliency testing and simulated network conditions

A lightweight replication manager for PostgreSQL (Postgres)

PostDock - Postgres & Docker - Postgres streaming replication cluster for any docker environment

Signal 18 repman - Replication Manager for MySQL / MariaDB / Percona Server

Mordern Redis Cluster solution for easy operation.

End-to-end AI short-video production pipeline. FastAPI orchestration + Spring Boot gateway with multi-model failover, circuit breaker, metering, and full-stack observability. AI quality gating: prompt anchoring, CLIP consistency, AV sync auto-rescue.

AppActive: A middleware dedicate to building multi-site active/active application architectures（阿里巴巴开源的一款标准、通用且功能强大的，致力于构建应用多活架构的开源中间件）

🔖 Guides, Articles, Podcasts, Videos and Notes to Build Reliable Large-Scale Distributed Systems.

AI API gateway that ends manual channel switching with smart routing, auto failover, exponential cooldown, multi-URL scheduling, live request monitoring and soft-error detection.

A go network utility to create a reliable IP tunnel over multiple connections

PostgreSQL Automatic Failover: High-Availibility for Postgres, based on Pacemaker and Corosync.

ISC DHCP is enterprise grade, open source solution for DHCP servers, relay agents, and clients, supports both IPv4 and IPv6, and is suitable for use in high-volume and high-reliability applications.

Fault tolerant and reactive HTTP client for node.js and browsers

UCARP allows a couple of hosts to share common virtual IP addresses in order to provide automatic failover. It is a portable userland implementation of the secure and patent-free Common Address Redundancy Protocol (CARP, OpenBSD's alternative to the patents-bloated VRRP).

pyNTM - This is the network traffic modeler written in python 3: pip3 install pyNTM

Point your existing SDK at one URL and reach every LLM vendor — with real failover, not a try/except. One static Rust binary.

Lightweight library that handles RabbitMQ auto-reconnect and publishing retry routine for you.

Modern circuit breaker for Ruby & Rails. Thread-safe, fiber-ready async support. Built-in fallbacks, rich introspection, clean DSL. Memory-efficient with jitter & monitoring.