NoSQL DB,Which One you need?

AllegroGraph
公司/组织：	Franz Inc.
类型：	Graph
简介：	Modern, high performance, persistent graph database.
存储方案：	Disk based, meta-data and data triples.
API(s):	SPARQL, Prolog
BerkleyDB
公司/组织：	Oracle
类型：	Key/Value
简介：	C language embeddable library for enterprise-grade, concurrent, transactional storage services. Thread safe to avoid data corruption or loss
存储方案：	B-tree, hash table, persistent queue
API(s):	C, C++ and Java
备注：	Use BerkleyDB XML layer on top of BerkleyDB for XML based applications. Comparison of BerkleyDB and relational databases
BigTable
公司/组织：	Google
类型：	Sparse, distributed, persistent multidimensional sorted map.
简介：	Distributed storage system for structured data. Data model provides dynamic control over data layout and format. Data can live in memory or on disk.
存储方案：	Data is stored as an uninterpreted array of bytes. Client applications can create structured and semi-structured data inside the byte arrays.
API(s):	Python, GQL, Sawzall API, REST, various.
备注：	Overview: Bigtable: A Distributed Storage System for Structured Data (PDF format)
Cassandra
公司/组织：	Apache
类型：	Dimensional hash table
简介：	Highly scalable distributed database. CombinesDynamo’s distributed design and Bigtable’s column family data model.
存储方案：	Clusters of multiple keyspaces. The keyspace is a name space for column families. Columns are comprised of a name, value and timestamp.
API(s):	Java, Ruby, perl, Python, C#, Thrift framework.
备注：	Open sourced by Facebook in 2008. Wiki, FAQ,Examples
CouchDB
公司/组织：	Apache
类型：	Document
简介：	Distributed database with incremental replication, bi-directional conflict detection and management.
存储方案：	Ad-hoc and schema-free with a flat address space.
API(s):	RESTful JSON API. JavaScript query language.
备注：	CouchDB Introduction, Technical Overview
db4o
公司/组织：	Versant
类型：	Object
简介：	Java and .NET dual license (commercial and open source) object database.
存储方案：	Data objects are stored in the way they are defined in the application.
API(s):	Java, .NET languages.
备注：	db4o db4o database runtime engine, about db4o
Dovetaildb
公司/组织：	Millstone Creative Works
类型：	JSON-based
简介：	Schemaless database similar to Amazon’s SimpleDB. Open source, standalone Java application server.
存储方案：	JSON data format, “bags” (similar to tables).
API(s):	HTTP and Javascript APIs
备注：	Dovetaildb JavaScript API reference manual
Dynomite
公司/组织：	Cliff Moon
类型：	Key/Value
简介：	Open source Amazon Dynamo clone written in Erlang.
存储方案：	Distributed key/valve store, Pluggable storage engines.
API(s):	Thrift API
备注：	Dynomite Wiki
eXtreme Scale
公司/组织：	IBM
类型：	In-memory grid/cache
简介：	Distributed cache processes, partitions, replicates and manages data across servers.
存储方案：	Data and database cache, “near cache” for local subset of data. Java persistent cache. Map reduce support.
API(s):	Java APIs, REST data service
备注：	eXtreme Scale Document library web site
GT.M
公司/组织：	FIS
类型：	Hierarchical, multi-dimensional sparse arrays, content associative memory
简介：	Small footprint, multi-dimensional array with fill support for ACID transactions, optimistic concurrency and software transactional memory.
存储方案：	Unstructured array of bytes. Can be Key/Value, document oriented, schema-less, dictionary or any other data model.
API(s):	Mumps, C/C++, SQL
备注：	GT.M FAQ
hamsterDB
公司/组织：	Christoph Rupp
类型：	Embedded storage library
简介：	Lightweight embedded database engine. Supports on disk and in memory databases.
存储方案：	B+tree with variable length keys.
API(s):	C++, Python, .NET and Java
备注：	hamsterdb FAQ, examples, tutorial
HBase
公司/组织：	Apache
类型：	Sparse, distributed, persistent multidimensional sorted map.
简介：	Open source, distributed, column-oriented, “Bigtable like” store
存储方案：	Data row has a sortable row key and an arbitrary number of columns, each containing arrays of bytes.
API(s):	Java API, Thrift API, RESTful API
备注：	Part of Apache Hadoop project. HBase Wiki, FAQ
Hypertable
公司/组织：	Zvents Inc.
类型：	Sparse, distributed, persistent multidimensional sorted map.
简介：	High performance distributed data storage system designed to run on distributed filesystems (but can run on local filesystems). Modeled after Google Bigtable.
存储方案：	Row key (primary key), column family, column qualifier, time stamp.
API(s):	C++, Thrift API, HQL
备注：	Hypertable Architectural overview, FAQ
Infinispan
公司/组织：	JBoss Community
类型：	Grid/Cache
简介：	Scalable, highly available, peer to peer, data grid platform.
存储方案：	Key/Value pair with optional expiration lifespan.
API(s):	Java, PHP, Python, Ruby, C
备注：	Infinispan FAQ, Wiki
InfoGrid
公司/组织：
类型：	Graph
简介：	Internet graph database made up on nodes and edges. Supports in-memory and persistent storage alternatives including RDBMS, file system, file grid, and custom storage.
存储方案：	Nodes (meshobjects) and edges (relationships). Meshobjects can have entity types, properties and participage in relationships. MeshObjects raise events.
API(s):	RESTful web services.
备注：	InfoGrid Overview, FAQ
Keyspace
公司/组织：	Scalien
类型：	Key/Value
简介：	Distributed (master/slave) key-value data store delivering strong consistency, fault-tolerance and high availability.
存储方案：	Uses BErkeleyDB library for For local storage. Key/Value pairs and their state are replicated to multiple servers.
API(s):	C/C++, Python, PHP, HTTP
备注：	Keyspace Overview, FAQ
MemcachedDB
公司/组织：
类型：	Key/Value
简介：	High performance, high realiability persistent storage engine for key/value object storage.
存储方案：	Uses BerkeleyDB as storage library/backend.
API(s):	Memcache protocol, C, Python, Java, perl
备注：	MemcacheDB complete guide (PDF format)
Mnesia
公司/组织：	Ericsson
类型：	Key/Value
简介：	Multiuser distributed database including support for replication and dynamic reconfiguration.
存储方案：	Organized as a set of tables made up of Erlang records. Tables also have properties including type location, persistence, etc.
API(s):	Erlang
备注：	Mnesia Reference manual
MongoDB
公司/组织：	10gen
类型：	Document
简介：	Scalable, high-performance, open source, schema-free, document-oriented database
存储方案：	JSON-like data schemas, Dynamic queries, Indexing, replication, MapReduc
API(s):	C,C++, Java, JavaScript, perl, PHP, Python, Ruby, C#, Erlang, Go, Groovy, Haskell, Scala, F#
备注：	MongoDB Documentation Index
Neo4J
公司/组织：	Neo Technology
类型：	Graph
简介：	Embedded, small footprint, disk based, transactional graph database written in Java. Dual license – free and commercial.
存储方案：	Graph-oriented data model with nodes, relationships and properties.
API(s):	Java, Python, Ruby, Scala, Groovy, PHP, RESTful API.
备注：	Neo4J Wiki, API, FAQ
Redis
公司/组织：
类型：	Key/Value
简介：	Key/Value store with the dataset kept in memory and saved to disk asynchronously. “not just another key-value DB”
存储方案：	Values can be strings, lists sets and sorted sets.
API(s):	Python, Ruby, PHP, Erlang, Lua, C, C#, Java, Scala, perl
备注：	Redis Wiki
SimpleDB
公司/组织：	Amazon
类型：	Item/Attribute/Value
简介：	Scalable Web Service providing data storage, query and indexing in Amazon’s cloud.
存储方案：	Items (like rows of data), Attributes (like column headers), and Values (can be multiple values)
API(s):	SOAP, REST
备注：	SimpleDB FAQ, Getting Started Guide, Developer Guide, API
Tokyo Cabinet
公司/组织：	Mikio Hirabayashi
类型：	Key/Value
简介：	Library (written in C) of functions for managing files of key/value pairs. Multi-thread support.
存储方案：	Keys and Values can have variable byte length. Binary data and strings can be used as a key and a value.
API(s):	C, perl, Ruby, Java, Lua.
备注：	Tokyo Cabinet Specifications, presentation(PDF format). Also available: Tokyo Tyrant (remote service), Tokyo Distopia (full text search), Tokyo Promenade (content management).
Voldemort
公司/组织：	LinkedIn
类型：	Hash Table
简介：	“It is basically just a big, distributed, persistent, fault-tolerant hash table.” High performance and availability.
存储方案：	Each key is unique to a store. Each key can have at most one value. Supported types: JSON, string, identity, protobuf, java-serialization.
API(s):	Java, C++, custom clients
备注：	Project Voldemort Wiki, Client how-to