yrmcds is a memory object caching system with master/slave replication.
The software supports two protocols: the first is an enhanced memcached, and another is a protocol to implement distributed resource counters.
Since the memcached protocol is perfectly compatible with the original implementation, yrmcds can be used as a drop-in replacement for memcached. Thanks to its virtual-IP based replication system, existing applications can obtain high-available memcached-compatible service without any modifications.
This is free and open source software.
Key Features
- Complete memcached text and binary protocols with these extensions:
- Server-side locking. A lock associates an existing object and a client connection. Locked objects will neither be expired nor be evicted.
- Dump keys.
- Distributed resource counter protocol.
- Optional memory security to store confidential information like SSL session data.
- Large objects can be stored in temporary files, not in memory.
- Virtual-IP based master-slave replication.
- Automatic fail-over.
- Automatic recovery of redundancy.
- Global LRU eviction / no slab distribution problem.
- Unlike memcached, yrmcds is not involved with slabs problems.
Website: cybozu.github.io/yrmcds
Support: GitHub Code Repository
Developer: Cybozu
License: BSD 2-Clause “Simplified” License
yrmcds is written in C++. Learn C++ with our recommended free books and free tutorials.
Related Software
| Caching Systems | |
|---|---|
| Memcached | High-performance distributed memory object caching system |
| Redis | Persistent key-value database with network interface |
| Hazelcast | Distributed in-memory data store and computation platform |
| Apache Ignite | Distributed database, caching and processing platform |
| Ehcache | Standards based pure Java in-process cache |
| Java Caching System | Distributed caching system written in Java |
| Couchbase | Distributed key-value database management system |
| Apache Geode | Distributed, in-memory data management platform |
| yrmcds | LRU cache library and key-value server |
| Cachelot | Memory object caching system with master/slave replication |
| Infinispan | Distributed, in-memory database and data grid |
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