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Open source Java implementation for Raft consensus protocol.

Algorithms for implementation of Clock Synchronization, Consistency, Mutual Exclusion, Leader Election

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

A high performance NoSQL Database Server powered by Go

Tendis is a high-performance distributed storage system fully compatible with the Redis protocol.

SSDB - A fast NoSQL database, an alternative to Redis

Graphs for Everyone

Apache HBase

Fast key-value DB in Go.

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

Lightning Memory Database (LMDB) for Java: a low latency, transactional, sorted, embedded, key-value store

Distributed transactional key-value database, originally created to complement TiDB

Port of LevelDB to Java

Pikiwidb is a Redis-Compatible database developed by Qihoo's infrastructure team.

A simple, fast, embeddable, persistent key/value store written in pure Go. It supports fully serializable transactions and many data structures such as list, set, sorted set.

Apache Ignite

Apache Kvrocks is a distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol.

A flexible distributed key-value database that is optimized for caching and other realtime workloads.

PerfView is a CPU and memory performance-analysis tool

Redis memory profiler to find the RAM bottlenecks throw scaning key space in real time and aggregate RAM usage statistic by patterns.

Performance analysis tools based on Linux perf_events (aka perf) and ftrace

redis-full-check is used to compare whether two redis have the same data. Support redis version from 2.x to 7.x (Don't support Redis Modules).

RedisShake is a Valkey/Redis data processing and migration tool.

Prometheus Exporter for Valkey & Redis Metrics. Supports Valkey 9.x, 8.x, 7.x and various Redis versions

带有详细注释的 Redis 3.0 代码（annotated Redis 3.0 source code）。

A simple redis java mock for unit testing

Redis embedded server for Java integration testing

A simple redis java mock for unit testing