DCache is a distributed NoSQL system based on Tars framework, which supports LRU algorithm and data persistence.

There are many teams int Tencent that use DCache, and the total number of daily access exceeds one trillion.

Features Of DCache

Support a variety of data structures: including key-value, k-k-row, list, set, zset.
Distributed storage with good scalability.
An LRU cache, support expiration mechanism and data persistence.
With a perfect platform for maintaining and monitoring.
The business does not need to interact with MySQL directly. DCache will automatically write data to DB

Supported operating systems

Linux

C++

For API usage, see proxy_api_guide-en.md,for more details, see docs.

Directory	Role
src/Comm	Shared code
src/ConfigServer	Configuration service
src/DbAccess	Data persistence service
src/KVCacheServer	k-v storage engine
src/MKVCacheServer	k-k-row、list、set、zset storage engine
src/OptServer	Service deployment, operation and maintenance management, this module serves the web management platform
src/PropertyServer	Monitor information reporting service
src/Proxy	Proxy service
src/Router	Routing service
src/TarsComm	Tars data structures
src/thirdParty	Third party libraries