Last Updated on February 27, 2026
Garnet is a high-performance cache-store offering strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features.
Garnet implements a wide range of APIs including raw strings. It can handle multi-key transactions in the form of client-side RESP transactions and our own server-side stored procedures in C# and allows users to define custom operations on both raw strings and new object types, all in the convenience and safety of C#, leading to a lower bar for developing custom extensions.
This is free and open source software.
Key Features
- High performance – uses a thread-scalable storage layer called Tsavorite, and provides cache-friendly shared-memory scalability with tiered storage support. Garnet supports cluster mode (sharding and replication). It has a fast pluggable network design to get high end-to-end performance (throughput and 99th percentile latency). Garnet can reduce costs for large services
- Rich and extensible – uses the popular RESP wire protocol, allowing it to be used with unmodified Redis clients in any language. Garnet supports a large fraction of the Redis API surface, including raw strings and complex data structures such as sorted sets, bitmaps, and HyperLogLog. Garnet also has scalable extensibility and transactional stored procedure capabilities
- Modern – written in modern .NET C#, and runs efficiently on almost any platform including Linux.
Website: scylladb.com
Support: GitHub Code Repository
Developer: Microsoft Research
License: MIT License
Garnet is written in C#. Learn C# with our recommended free books and free tutorials.
Related Software
| Key Value Stores | |
|---|---|
| RocksDB | Persistent key-value store for flash and RAM Storage |
| Valkey | High-performance data structure server |
| Apache Cassandra | Distributed database management system |
| ScyllaDB | Real-time big data database |
| Apache Accumulo | Based on Google's BigTable design |
| ArangoDB | Native multi-model database |
| Aerospike CE | Real-time NoSQL database and key-value store |
| Berkeley DB | Family of open source, embeddable databases |
| LevelDB | Fast and lightweight key/value database library by Google |
| Garnet | Remote cache-store |
| KeyDB | High performance fork of Redis |
| Redict | Distributed key/value store |
| Project Voldemort | Distributed data store |
| Scalaris | Distributed transactional key-value store |
Read our verdict in the software roundup.
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