9 repository-uri
Mechanisms that monitor database health and promote standby nodes to primary roles during failures.
Distinguishing note: The candidates are either too specific (Redis) or too generic (AI failover); this is a dedicated DB HA controller.
Explore 9 awesome GitHub repositories matching data & databases · Automatic Failover Controllers. Refine with filters or upvote what's useful.
This project provides a version of the Redis 3.0 codebase featuring detailed technical commentary and annotations. It serves as a technical resource for studying the internal design and implementation of an in-memory key-value store and the architecture of a networked NoSQL database. The documentation focuses on the implementation of the Redis Sentinel system, covering the mechanisms used for monitoring instance health, managing automatic failover, and notifying clients of primary node changes. The project covers broader architectural areas including in-memory data storage, high availability
Implements mechanisms that monitor database health and promote standby nodes to primary roles.
Patroni is a high availability manager and cluster orchestrator for PostgreSQL. It functions as an automatic failover controller and replication manager that ensures continuous database availability by automating leader election and promoting standby nodes during failures. The system maintains a consistent cluster state by acting as a distributed consensus coordinator. It synchronizes configuration and manages leader elections through integration with distributed configuration stores such as etcd, ZooKeeper, or Consul. Its broader capabilities include managing both synchronous and asynchrono
Monitors database health and automatically promotes standby nodes to primary roles to minimize downtime.
ProxySQL is a database proxy designed to route and balance traffic between applications and MySQL or PostgreSQL servers. It provides database high availability by monitoring backend server health and automatically rerouting traffic to healthy nodes during failover events to prevent downtime. The system integrates with generative AI models by proxying requests through a protocol handler, creating a bridge that allows large language models to access structured data. The project includes capabilities for traffic management through automatic failover routing and cluster topology discovery. It op
Automatically redirects traffic to healthy nodes during failover events to ensure high availability.
gpt-load is a transparent proxy gateway that routes API requests to multiple AI providers—including OpenAI, Google Gemini, and Anthropic Claude—through a single endpoint while preserving each provider's native format and authentication. It acts as a centralized routing layer, allowing applications to switch between AI services by changing only the base URL without modifying any client code or business logic. The proxy distinguishes itself through intelligent traffic management across pools of API keys, offering automatic key rotation, weighted or round-robin load balancing, and failover that
Detects failed or unhealthy API keys and reroutes requests to healthy ones within the same group without interrupting service.
AliSQL is a fork of MySQL by Alibaba that extends the relational database management system with enhancements for high performance, scalability, and enterprise-grade availability. It retains the core MySQL identity as a SQL-based database for storing, organizing, and retrieving structured data, while adding optimizations for large-scale transactional and analytical workloads. The project differentiates itself through a set of Alibaba-specific improvements, including a columnar engine for accelerating analytical queries directly on MySQL tables, and a distributed, shared-nothing NDB Cluster en
Detects node failures and promotes replicas to primary automatically.
Pigsty este o platformă cuprinzătoare de orchestrare a infrastructurii de baze de date concepută pentru a automatiza întregul ciclu de viață al clusterelor PostgreSQL de înaltă disponibilitate. Acesta funcționează ca un framework de tip infrastructure-as-code care gestionează coordonarea clusterului, provizionarea nodurilor și descoperirea serviciilor prin playbook-uri idempotente. Prin integrarea mecanismelor de consens distribuit, platforma asigură failover-ul automat și impunerea stării consistente în medii diverse, inclusiv bare metal și infrastructură virtualizată. Platforma se distinge printr-o suită robustă de capabilități operaționale care se extind dincolo de gestionarea standard a bazelor de date. Dispune de un pipeline de observabilitate încorporat care agregă metrici, log-uri și urme în dashboard-uri centralizate pentru monitorizarea performanței în timp real și analiză diagnostică. În plus, oferă un framework de migrare care emulează protocoalele wire proprietare și sintaxa SQL, permițând integrarea sarcinilor de lucru ale bazelor de date enterprise legacy în medii relaționale moderne. Sistemul acoperă o suprafață funcțională largă, inclusiv gestionarea avansată a stocării cu clonare copy-on-write pentru implementare rapidă și orchestrarea multi-bază de date care coordonează motoarele relaționale cu caching-ul și serviciile de stocare a obiectelor. De asemenea, încorporează securizarea, backup-ul și recuperarea automată și rutarea traficului prin proxy-uri stratificate pentru a decupla conexiunile clienților de topologia clusterului subiacent. Proiectul este distribuit ca un model de oglindire a pachetelor auto-conținut, permițând implementarea consistentă și gestionarea dependențelor în medii securizate sau izolate (air-gapped).
Detects primary node failures and promotes a replica to primary status automatically to maintain service availability.
dqlite este o bază de date SQL distribuită care încorporează un motor de baze de date relaționale pentru a oferi stocare replicată într-un cluster de noduri. Funcționează ca un motor SQL replicat conceput pentru a asigura că datele rămân disponibile și consistente în timpul defecțiunilor nodurilor. Sistemul utilizează un algoritm de consens pentru a gestiona alegerea liderului și a sincroniza un log replicat în întregul cluster. Această abordare permite failover-ul automat al clusterului și promovarea liderului pentru a menține serviciul continuu fără intervenție manuală. Proiectul acoperă replicarea mașinii de stare, apartenența la cluster bazată pe rețea și persistența log-ului de tranzacții pentru durabilitatea datelor. Include interfețe administrative pentru gestionarea adăugării și eliminării membrilor cu drept de vot în mediul distribuit.
Monitors database health and automatically promotes standby nodes to primary roles during failures.
Quotio is a local LLM API proxy gateway and credential manager that intercepts and routes requests from command-line tools and integrated development environments to various AI model providers. It serves as a centralized authentication hub, managing API keys and service accounts to provide a unified interface for external AI agents. The project distinguishes itself through a routing engine that implements priority-chain and round-robin load balancing to distribute workloads across multiple accounts. It features automated API key failover, which redirects requests to backup authentication keys
Automatically redirects requests to backup authentication keys when primary providers return rate limit or quota errors.
pgdog is a PostgreSQL sharding proxy, distributed SQL router, and connection pooler. It is designed to enable horizontal data distribution by splitting tables and indices across multiple independent servers to scale storage and processing capacity. The project distinguishes itself through online resharding capabilities, using logical replication to move data between shards without application downtime. It supports multiple routing strategies, including hash, list, and range-based query routing, and manages distributed atomic transactions using a two-phase commit process to ensure consistency
Implements mechanisms that monitor database health and automatically promote standby nodes to primary roles during failures.