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云计算数据文件系统性能架构选择

2013-06-05 17:20 417 查看

http://vschart.com/compare/hbase/vs/mongodb/vs/apache-cassandra

Design
▼ Actions	×⇄	×⇄	×
	HBase	MongoDB	Cassandra
	HBase	MongoDB	Apache Cassandra
Category	Database	Database	Database
Preference	26% votes	38% votes	36% votes
Website	hbase.apache.org	www.mongodb.org	cassandra.apache.org
License	Apache License	AGPL	Apache License 2
Database model	Column-oriented Key-value	Document-oriented Key-value Schema-less	Column-oriented Key-value
Data storage	HDFS	Volatile memory File System	File System
Embeddable	?	No	Yes
Features
Query language	API calls REST XML Thrift	API calls JavaScript	API calls CQL Thrift
Conditional entry updates	Yes	Yes	No
Map and reduce	Yes	Yes	Yes
Unicode	Yes	Yes	Yes
TTL for entries	Yes	Yes	Yes
Compression	Yes	No	Yes
Integrity
Integrity model	Log Replication	BASE	BASE
Atomicity	?	Conditional	Yes
Consistency	Yes	Yes	Yes
Isolation	No	No	No
Durability (data storage)	Yes	Yes	Yes
Transactions	No	No	No
Referential integrity	No	No	No
Revision control	Yes	No	No
Locking model	?	Optimistic Locking	No
Indexing
Secondary Indexes	No	Yes	Yes
Composite keys	Yes	Yes	Yes
Full text search	No	Yes	No
Geospatial Indexes	No	Yes	No
Graph support	No	No	No
Distribution
Horizontal scalable	Yes	Yes	Yes
Replication	Yes	Yes	Yes
Replication mode	Master-Slave Replication	Master-Slave-Replica Replication	Master-Master Replication
Sharding	Yes	Yes	Yes
Shared nothing architecture	Yes	Yes	Yes
Restrictions
Value size max.	2 TB	16 MB	2 GB
System requirements
Operating system	Cross-platform	Linux Windows Mac OS X	Cross-platform
Native driver	Java	Java PHP Ruby C# Python JavaScript Haskell Perl C++ Erlang Scala C Go	Java (any JVM scripting language)
Memory minimum	?	?	512 MB
Architecture
Programming language	Java	C++	Java
More
Description	A distributed database based on Hadoop	Document Oriented Database	Second Generation Distributed Database
Brand	Apache	?	Apache
Multi-user system	Yes	Yes	Conditional
Accelerometer sensor	No	?	?
Standard compliance	No	No	?
Software distribution	Tarball	Package management system	Package management system
Release Date	2ⁿᵈ February 2008	?	2008
Documentation level	★★★★☆	★★★★★	★★★★☆
Free to use	Yes	Yes	Yes
Active	Yes	Yes	Yes
Database Connection Pooling	Yes	Yes	Yes
Real time analytics	No	Yes	?
Online backup	No	Yes	?
Partial Index	No	No	?
Function Based Index	No	No	?
Log	Yes	Yes	Yes
Download	www.apache.org/dyn/closer.cgi/hbase/	www.mongodb.org/downloads	cassandra.apache.org/download/
Backup functionality	Basic	Basic	Good
Query Cache	No	Yes	?
Ease of use	★★☆☆☆	?	?
In-Place Update	No	Yes	No
Free for commercial use	Yes	Yes	Yes
Sorts	No	Yes	No
Capped Collections	No	Yes	?
Tuneable write concerns	Yes	No	Yes
Object-Relational Mapping (ORM)	?	Yes	Yes
Distributed Counter	?	No	Yes
Key length max	?	255	?
Read preferences	?	Yes	?

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云计算 数据文件系统 性能 架构 选择

云计算数据文件系统性能架构选择