Summary of Features

Core API

• Raw strings (Get and Set variants, key expiration)
• Data structures (List, Hash, Set, Sorted Set, Geo)
• Analytics APIs such as Hyperloglog and Bitmap
• Client-side transaction API (MULTI/EXEC)
• Publish/Subscribe
• Admin operations
• Access control (ACL) features

Logging & Diagnostics

• Metrics - client side
• Metrics - in-process queryable
• Diagnostic logger via ILogger
• JSON config file support, with basic support for redis.conf format as well

Networking

• Pluggable network layer
• Full support for TLS via SslStream

Extensibility

• Comprehensive Lua scripting support
• Fast C# based extensibility (raw string and object operations)
• Dynamic and static registration
• Transactional multi-key stored procedures

Memory

• Tsavorite storage engine optimized for scalable memory access
• Space reuse for memory tier to prevent fragmentation
• Hybrid log-structured storage design with in-place updates in memory
• Configurable memory size control (index, log, objects)

Tiered Storage

• Three uses of storage: larger-than-memory cache, AOF (append-only file), checkpoints
• Extensible IDevice abstraction to support different devices
• Specializations for SSD/HDD device (Windows and Linux Native, as well as generic device based on .NET FileStream)
• Specialization for Azure Storage device
• Automatic log compaction

Durability

• Fast non-blocking checkpoint-recovery
• Append-only-file (write-ahead log)

Cluster Mode

• Sharding
• Replication
• Failover
• Key migration for dynamic scale-out

Multi-Platform

• Any platform supported by .NET
• Windows
• Linux