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Project-voldemort - A distributed database, Clone of Amazon's Dynamo
Voldemort is a distributed key-value storage system. Data is automatically replicated over multiple servers. Data is automatically partitioned so each server contains only a subset of the total data. Server failure is handled transparently. It is used at LinkedIn for certain high-scalability storage problems where simple functional partitioning is not sufficient.
key-value key-value-store dynamo scalable distributed linkedinBerkeley DB - Embeddable Databases to Meet Your Needs
Oracle Berkeley DB provides the best open source embeddable databases allowing developers the choice of SQL, Key/Value, XML/XQuery or Java Object storage for their data model. At its core is a fast, scalable, transactional database engine with proven reliability and availability. Berkeley DB comes three versions: Berkeley DB, Berkeley DB Java Edition, and Berkeley DB XML.
database embedded-database key-value-store key-valueEhcache
Ehcache is an open source, standards-based cache used to boost performance, offload the database and simplify scalability. Ehcache is robust, proven and full-featured and this has made it the most widely-used Java-based cache.
distributed-caching cache key-value-store key-valuebadger - Fast key-value store in Go.
An embeddable, persistent, simple and fast key-value (KV) store, written purely in Go. It's meant to be a performant alternative to non Go based key-value stores like RocksDB. Badger is written out of frustration with existing KV stores which are either written in pure Go and slow, or fast but require usage of Cgo. Badger aims to provide an equal or better speed compared to industry leading KV stores (like RocksDB), while maintaining the entire code base in pure Go.
key-value database key-value-storetikv - Distributed transactional key value database powered by Rust and Raft
Geo-Replication TiKV uses Raft and Placement Driver to support Geo-Replication.Horizontal scalability With Placement Driver and carefully designed Raft groups, TiKV excels in horizontal scalability and can easily scale to 100+ TBs of data.
distributed-transactions raft key-value tikv consensus rocksdb tidbArangoDB - The Multi-purpose NoSQL DB
ArangoDB is a multi-purpose open-source database with flexible data model for documents, graphs, and key-values. Build high performance application using a convenient sql-like query language or JavaScript/Ruby extensions. Its key features are Schema-free, Convenient querying using AQL, Extendable through JS, Space efficiency, Supports modern storage hardware, like SSD and large caches and lot more.
database nosql no-sql key-value key-value-store graph-database document-databaseSophia - Advanced transactional MVCC key-value/row storage library
Sophia is RAM-Disk hybrid storage. It is designed to provide best possible on-disk performance without degradation in time. It has guaranteed O(1) worst case complexity for read, write and range scan operations. It provides Full ACID compliancy, MVCC engine, Optimistic, non-blocking concurrency with N-writers and M-readers, Prefix search, Automatic key-expire, Implemented as small C-written library with zero dependencies and lot more.
cache key-value key-value-store database off-heapApache Accumulo - Key Value Store based on Google BigTable
The Apache Accumulo sorted, distributed key/value store is a robust, scalable, high performance data storage and retrieval system. Apache Accumulo is based on Google's BigTable design and is built on top of Apache Hadoop, Zookeeper, and Thrift. Apache Accumulo features a few novel improvements on the BigTable design in the form of cell-based access control and a server-side programming mechanism that can modify key/value pairs at various points in the data management process.
key-value key-value-store big-table distributed database aggregationSTSdb - Embedded .NET Database
STSdb is an embedded object database system (NoSQL key/value pair storage engine) designed for mission critical and real-time applications. It provides intuitive use and blazing performance. It has transaction support, Snapshots, LINQ, Custom compression and lot more. STSdb is implemented and inter-operate on Windows, Linux, BSD, UNIX, Mac OS X under the Mono platform.
database embedded-database object-database no-sql key-valuebigcache - Efficient cache for gigabytes of data written in Go.
Fast, concurrent, evicting in-memory cache written to keep big number of entries without impact on performance. BigCache keeps entries on heap but omits GC for them. To achieve that operations on bytes arrays take place, therefore entries (de)serialization in front of the cache will be needed in most use cases.
cache performance caching golang-library key-value key-value-store databaseBuntDB - Embeddable, in-memory key/value database for Go with custom indexing and geospatial support
BuntDB is a low-level, in-memory, key/value store in pure Go. It persists to disk, is ACID compliant, and uses locking for multiple readers and a single writer. It supports custom indexes and geospatial data. It's ideal for projects that need a dependable database and favor speed over data size.The desire to create BuntDB stems from the need for a new embeddable database for Tile38 and SummitDB.
database in-memory key-value geospatial key-value-storeRedcon - Redis compatible server framework for Go
Redcon is a custom Redis server framework for Go that is fast and simple to use. The reason for this library it to give an efficient server front-end for the BuntDB and Tile38 projects. Redcon has full TLS support.
redis-protocol database key-value key-value-store nosql redis-alternativeDynomite - Making Non-Distributed Databases, Distributed
Dynomite, inspired by Dynamo whitepaper, is a thin, distributed dynamo layer for different storages and protocols. Dynomite is a sharding and replication layer. Dynomite can make existing non distributed datastores, such as Redis or Memcached, into a fully distributed & multi-datacenter replicating datastore.
distributed-caching cache key-value-store key-value frameworkChronicle Map - High performance, off-heap, key-value, in memory, persisted data store
Chronicle Map is a high performance, off-heap, key-value, in memory, persisted data store. It works like a standard java map yet it automatically distributes data between processes, these processes can be both on the same server or across your network. In other words its a low latency, huge data key value store, which can store terabytes of data locally to your process.
distributed-caching cache key-value-store key-valueForestDB - A Fast Key-Value Storage Engine Based on Hierarchical B+-Tree Trie
ForestDB is a key-value storage engine developed by Couchbase Caching and Storage Team, and its main index structure is built from Hierarchical B+-Tree based Trie, called HB+-Trie. ForestDB paper has been published in IEEE Transactions on Computers.
key-value-store key-value cache b-tree trie databaseCaffeine - A high performance caching library for Java 8
Caffeine is a high performance, near optimal caching library based on Java 8. It provides an in-memory cache using a Google Guava inspired API.
cache java-cache key-value-store key-value hash-map jcache jsr-107Vedis - An Embedded Implementation of Redis
Vedis is an embeddable datastore C library built with over 70 commands similar in concept to Redis but without the networking layer since Vedis run in the same process of the host application. Unlike most other datastores, Vedis does not have a separate server process. Vedis reads and writes directly to ordinary disk files. A complete database with multiple collections, is contained in a single disk file.
key-value key-value-store embedded-database databasePumpkinDB - Event Sourcing Database Engine
PumpkinDB is a event sourcing database engine that doesn't overwrite data. It features include Immutable key/value storage, ACID transactions, Binary keys and values (allows any encoding to be used: JSON, XML, Protobuf, Cap'n Proto, etc.), An embedded programming language (PumpkinScript), A range of event indexing and querying primitives.
event-sourcing database key-value storage key-value-store concatenativeCacheonix - Open Source Java Cache
Cacheonix is an Open Source Java cache that allows developers to scale applications horizontally by providing a highly concurrent local cache and a strictly consistent distributed cache. It supports Distributed cache, Web application cache, Distributed lock, Second level (L2) cache.
cache key-value key-value-store distributed-cachinghavalo - Non Distributed NoSQL Key Value Store
A zero configuration, non-distributed NoSQL key-value store that runs in any Servlet 3.0 compatible container. With Havalo, simply drop havalo.war into your favorite Servlet 3.0 compatible container and with almost no configuration you'll have access to a fast and lightweight K,V store backed by any local mount point for persistent storage.
key-value-store database no-sql nosql key-value