Scalaris is an open source scalable, transactional, distributed, and fault-tolerant key-value store. It was the first NoSQL database that supported the ACID properties for multi-key transactions.
It has strong data consistency for online databases and for building scalable Web 2.0 services.
Scalaris uses a structured overlay with a non-blocking Paxos commit protocol for transaction processing with strong consistency over replicas. Scalaris is implemented in Erlang.
Key Features
- Support of fast transactions on distributed hash tables (DHTs).
- Structured overlay network with logarithmic routing performance builds the basis for a multi-dimensional key/value store. In contrast to many other DHTs, our overlay stores the keys in lexicographical order, hence range queries are possible.
- Middle layer implements the ACID properties (atomicity, concurrency, isolation, durability) in the face of concurrent write operations. It uses an improved Paxos Commit protocol with a low communication overhead that has been optimally integrated into the overlay.
- Top layer hosts the application, a distributed key/value store. This layer can be used as a scalable, fault-tolerant backend for online services like shopping, banking, data sharing, online gaming, or social networks.
Website: scalaris.zib.de
Support: GitHub Code Repository
Developer: Thorsten Schütt, Florian Schintke, Alexander Reinefeld, Nico Kruber, Konrad-Zuse-Zentrum, and others
License: Apache License Version 2.0
Scalaris is written in Erlang. Learn Erlang with our recommended free books and free tutorials. Learn Java with our recommended free books and free tutorials.
Related Software
| Key Value Stores | |
|---|---|
| Redis | In-memory data structure store |
| etcd | Distributed reliable key-value store |
| 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 |
| BadgerDB | Embeddable key-value database |
| Berkeley DB | Family of open source, embeddable databases |
| TiKV | Distributed transactional key-value database |
| 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 |
| Kvrocks | Distributed key-value NoSQL database |
| Project Voldemort | Distributed data store |
| Scalaris | Distributed transactional key-value store |
Read our verdict in the software roundup.
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