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Tech riderRev. 29 Sept 2026

Garnet

Ch 047.3of 26 Caching Software
  1. 1Runs onLinux, Mac, self-hosted, Windows
  2. 2CostsFree plan
  3. 3Deploymentself hosted
  4. 4Cache targetsapplication data, key-value data, strings, lists, sets, sorted sets, hashes
  5. 5Data persistenceYes
  6. 6High availabilityYes
  7. 7Supported cache enginesRESP, Redis-compatible clients, Tsavorite
7 lines stated Written from the maker's own pages: microsoft.github.io
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Overview

Garnet is ranked #4 of 26 in caching software on Specifiction. It runs on Linux, macOS, Self-hosted, Windows. There is a free plan.

Garnet plans and pricing

All plans
Garnet Free Self-hosted; you manage infrastructure, updates, and operations microsoft.github.io · 29 Sept 2026
Azure Cosmos DB Garnet Cache Not published Billed per instance per hour; no licensing fees. Disk is billed separately when persistence is enabled. Expanded Private Preview; per-node SKU pricing microsoft.github.io · 29 Sept 2026

Compared on caching software

Free plan
Yesmicrosoft.github.io
Deployment
self_hostedmicrosoft.github.io
Cache targets
application data, key-value data, strings, lists, sets, sorted sets, hashesmicrosoft.github.io
Data persistence
Yesmicrosoft.github.io
High availability
Yesmicrosoft.github.io
Supported cache engines
RESP, Redis-compatible clients, Tsavoritemicrosoft.github.io

Facts

Purpose
Garnet is a remote cache-store from Microsoft Research designed for high performance, extensibility, and low latency.microsoft.github.io · 29 Sept 2026
Protocol and clients
Garnet uses the RESP protocol and works with many unmodified Redis clients, including StackExchange.Redis.microsoft.github.io · 29 Sept 2026
Data APIs
Its API includes strings, lists, hashes, sets, sorted sets, geo operations, HyperLogLog, bitmaps, ACLs, pub/sub, transactions, and Lua scripting.microsoft.github.io · 29 Sept 2026
Storage and recovery
Garnet supports datasets larger than memory using local or cloud storage, along with checkpointing and recovery.microsoft.github.io · 29 Sept 2026
Cluster features
Multi-node cluster mode supports sharding, state migration, and replication.microsoft.github.io · 29 Sept 2026
Extensibility
A custom operator framework lets developers register C# data structures and read-modify-write operations.microsoft.github.io · 29 Sept 2026
Preview features
Vector database support using DiskANN and range index support using Bf-Tree are marked preview.microsoft.github.io · 29 Sept 2026
Platforms
The server is extensively tested on Windows and Linux, and is also described as running on Azure hardware and edge devices.microsoft.github.io · 29 Sept 2026
Security
Garnet supports TLS/SSL connections and RESP password-based authentication.microsoft.github.io · 29 Sept 2026
Compatibility limit
Garnet is not intended to be a fully compatible Redis drop-in replacement, and it does not support Redis modules.microsoft.github.io · 29 Sept 2026
Managed service
Azure Cosmos DB Garnet Cache handles infrastructure provisioning, scaling, patching, and monitoring automatically; it is in expanded Private Preview.microsoft.github.io · 29 Sept 2026
Integrations
The documented Redis client libraries include StackExchange.Redis, Jedis, Redisson, redis-py, node_redis, and go-redis.microsoft.github.io · 29 Sept 2026
License
The Garnet project is licensed under the MIT License.github.com · 29 Sept 2026
Support and community
The project site links to Discord and GitHub for community and project information.microsoft.github.io · 29 Sept 2026

Company

Founded
2024microsoft.github.io · 28 Sept 2026

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Where it ranks on Specifiction

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