Awesome GitHub RepositoriesRelational Databases

TiDB is a horizontally scalable, distributed SQL database designed to provide consistent transactional storage and high-performance analytical processing within a single unified architecture. It utilizes a decoupled compute-storage design and a distributed key-value storage layer to ensure horizontal scalability and efficient range-based queries. By employing a consensus-based replication algorithm, the system maintains high availability and automatic failover across multiple nodes and geographical regions. The platform distinguishes itself through its hybrid transactional and analytical proc

Cockroach is a distributed SQL database designed to scale horizontally across multiple nodes while maintaining strict ACID compliance and global data consistency. It functions as a relational database engine that automatically partitions data into ranges, rebalancing them across a cluster to accommodate growing storage and throughput requirements. By utilizing a distributed consensus protocol, the system ensures that all nodes agree on the order of operations, providing fault tolerance and continuous availability even in the event of hardware failures. The system distinguishes itself through

InfluxDB is a specialized time series database platform engineered for the high-speed ingestion, compression, and retrieval of timestamped data at scale. It functions as a distributed metrics platform, providing the infrastructure necessary to organize and analyze massive volumes of time-stamped information to identify trends, patterns, and anomalies within complex data streams. The platform distinguishes itself through a functional dataflow engine that utilizes a specialized programming language for complex analytical transformations and automated tasks. This architecture is supported by a p

rqlite is a distributed relational database that replicates SQLite data across a cluster using the Raft consensus algorithm. It functions as a fault-tolerant storage system that provides high availability and a web API for executing SQL queries and managing relational data without requiring native database drivers. The system distinguishes itself by using an HTTP SQL interface to expose database operations and cluster management. It features a real-time change data capture stream that pushes database mutations to external HTTP endpoints via webhooks and supports the scaling of read throughput

Scylla is a distributed wide column NoSQL database designed as a high-performance data store. It functions as a Cassandra compatible database and a DynamoDB compatible store, implementing a shared-nothing architecture built on an asynchronous event-driven framework. The system emulates cloud-based APIs to support applications built for proprietary cloud protocols and implements the Cassandra Query Language for high-throughput workloads. This allows for the migration of cloud workloads to self-hosted environments while maintaining API compatibility. The project covers distributed data storage

Cayley is a graph database engine designed for storing and querying interconnected data using a quad-based data model. It functions as an RDF quad store, managing information through subjects, predicates, objects, and labels. The system features a modular graph store architecture with pluggable backends, allowing it to swap between in-memory storage and various external persistent databases. It includes a GraphQL-inspired API and a dedicated data visualizer for the interactive exploration of nodes and edges. Query capabilities cover bidirectional path traversal and multi-syntax execution usi

Apache Druid is a real-time OLAP database and distributed analytics engine. It functions as a columnar time-series database designed for high-performance analytical queries and the real-time ingestion of streaming and batch datasets. The system provides a framework for high-concurrency analytics, allowing multiple simultaneous users to execute SQL and native queries across large-scale data. It supports mixed data ingestion, combining real-time streaming and batch loading into a single system for unified analysis. The platform includes capabilities for distributed cluster management, enabling

YugabyteDB is a distributed SQL database and relational data store designed for horizontal scalability and high availability across multiple nodes or regions. It functions as a cloud-native system that ensures continuous availability and supports PostgreSQL compatible query languages and drivers. The system includes specialized capabilities as a vector database for AI, utilizing high-dimensional indexing to perform similarity searches. It is engineered as a multi-region cloud database that synchronizes data across different geographic locations to maintain global availability. The project co

OpenTSDB es una base de datos de series temporales distribuida y un motor de métricas diseñado para almacenar y gestionar volúmenes masivos de métricas de sistema de alta cardinalidad. Funciona como un almacén de datos y plataforma de análisis que permite la ingesta de métricas a gran escala y el monitoreo del rendimiento de la infraestructura a través de un clúster distribuido. El sistema se distingue por una abstracción de almacenamiento distribuido que admite múltiples backends como HBase, Cassandra y Google Bigtable. Utiliza un árbol de métricas jerárquico para organizar series temporales y emplea indexación de identificadores numéricos para reducir la huella de almacenamiento y acelerar las búsquedas de métricas etiquetadas. El proyecto cubre áreas de capacidad amplias, incluyendo análisis de datos de series temporales con cálculos de percentiles distribuidos y submuestreo, así como una gestión integral de metadatos. Proporciona integración de API para la ingesta y consulta de datos, caché fuera de memoria (off-heap) para optimización del rendimiento y herramientas para la auditoría de integridad de datos y análisis de anomalías. El sistema se gestiona a través de una interfaz de línea de comandos para la administración de bases de datos y la sincronización del árbol de métricas.

Get your data in RAM. Get compute close to data. Enjoy the performance.

A distributed, fault-tolerant graph database

MySQL 资源大全中文版，分析工具、备份、性能测试、配置、部署、GUI 等

ActorDB distributed SQL database

A large-scale entity and relation database supporting aggregation of properties

Fast scalable time series database

Bloomberg's distributed RDBMS

Distributed Prometheus time series database

HyperDex is a scalable, searchable key-value store

Apache Cassandra® Cluster Manager (CCM) – easily create and destroy clusters on localhost

Project SnappyData - memory optimized analytics database, based on Apache Spark™ and Apache Geode™. Stream, Transact, Analyze, Predict in one cluster