Comparison of structured storage software
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Not to be confused with COM Structured Storage.
Structured storage is computer storage for structured data, often in the form of a distributed database.[1] Computer software formally known as structured storage systems include Apache Cassandra,[2] Google's BigTable[3] and HBase.[4]
[edit] Comparison
The following is a comparison of notable structured storage systems.
| Project Name | Type | Persistence | Replication | High Availability | Transactions | Rack-locality Awareness | Implementation Language | Influences, Sponsors | License |
|---|---|---|---|---|---|---|---|---|---|
| AllegroGraph | Graph database | Yes | No - v5, 2010 | Yes | Yes | No | Common Lisp | Franz Inc. | Commercial, Limited Free Version |
| Apache Jackrabbit | Key-value & Hierarchical & Document | Yes | Yes | Yes | Yes | likely | Java | Apache, Roy Fielding, Day Software | Apache 2.0 |
| Berkeley DB/Dbm/Ndbm (bdb)1.x | Key-value | Yes | No | No | No | No | C | old school | Various |
| Berkeley DB Sleepycat/Oracle Berkeley DB 2.x | Key-value | Yes | Yes | Unknown | Yes | No | C, C++, or Java | dbm, Sleepycat/Oracle | dual BSD-like Sleepycat License/commercial |
| Cassandra | Key-value | Yes | Yes | Distributed | Eventually consistent | Yes | Java | Dynamo and BigTable, Facebook/Digg/Rackspace | Apache 2.0 |
| Coherence | Key-value | Persistent data typically in an RDBMS | Yes | Yes | Yes | Yes | Java | Oracle (previously Tangosol) | Commercial |
| CouchDB | Document | Yes | Yes | replication + load balancing | Atomicity is per document, per CouchDB instance | No | Erlang | Lotus Notes / Ubuntu, Mozilla, IBM | Apache 2.0 |
| Extensible Storage Engine(ESE/NT) | Document or Key-value | Yes | No | No | Yes | No | C++, Assembly | Microsoft | per Windows License |
| GigaSpaces | Tuple Space & Relational & Document & key-value | Yes | Yes | Yes | Yes | Depends on user configuration | Java | Tuple space | commercial |
| GT.M | Key-value | Yes | Yes | Yes | Yes | Depends on user configuration | C (small bits of assembly language) | FIS | AGPL v3 |
| Project Name | Type | Persistence | Replication | High Availability | Transactions | Rack-locality Awareness | Implementation Language | Influences, Sponsors | License |
| HBase | Key-value | Yes. Major version upgrades require re-import. | See HDFS, S3 or EBS. | maybe with Zookeeper in 0.21? | Unknown | See HDFS, S3 or EBS. | Java | BigTable | Apache 2.0 |
| Hypertable | Key-value | Yes | Yes, with KosmosFS and Ceph | coming in 2.0 | coming | Yes, with KosmosFS | C++ | BigTable | GPL 2.0 |
| Information Management System IBM IMS aka DB1 | Key-value. Multi-level | Yes | Yes | Yes, with HALDB | Yes, with IMS TM | Unknown | Assembler | IBM since 1966 | Proprietary |
| Memcached | Key-value | No | No | No | Yes | No | C | Six Apart/Couchbase/Fotolog/Facebook | BSD-like permissive copyright by Danga |
| MongoDB | Document (JSON) | Yes | Yes | fail-over | Single document atomicity | No | C++ | 10gen | GNU AGPL v3.0 |
| Neo4j | Graph database | Yes | Yes | Yes | Yes | No | Java | Neo Technology | GNU GPL v3.0 |
| Redis | Key-value | Yes. But last few queries can be lost. | Yes | No | Yes | No | Ansi-C | VMWare, Memcache | BSD |
| SimpleDB (Amazon.com) | Document & Key-value | Yes | Yes (automatic) | Yes | Unknown | likely | Erlang | Amazon.com | Amazon internal only |
| Tarantool | Free-dimensional tuples with primary and secondary keys | Yes. (Asynchronous) | Yes | Yes | Yes | No | Objective C, Lua | Memcached, Mnesia, MySQL, Mail.ru | BSD |
| Project Name | Type | Persistence | Replication | High Availability | Transactions | Rack-locality Awareness | Implementation Language | Influences, Sponsors | License |
[edit] See also
[edit] References
- ^ Hamilton, James (3 November 2009). "Perspectives: One Size Does Not Fit All". http://perspectives.mvdirona.com/CommentView,guid,afe46691-a293-4f9a-8900-5688a597726a.aspx. Retrieved 13 November 2009.
- ^ Lakshman, Avinash; Malik, Prashant. Cassandra - A Decentralized Structured Storage System. Cornell University. http://www.cs.cornell.edu/projects/ladis2009/papers/lakshman-ladis2009.pdf. Retrieved 13 November 2009.
- ^ Chang, Fay; Jeffrey Dean, Sanjay Ghemawat, Wilson C. Hsieh, Deborah A. Wallach, Mike Burrows, Tushar Chandra, Andrew Fikes, and Robert E. Gruber. Bigtable: A Distributed Storage System for Structured Data. Google. http://labs.google.com/papers/bigtable-osdi06.pdf. Retrieved 13 November 2009.
- ^ Kellerman, Jim. "HBase: structured storage of sparse data for Hadoop". http://www.rapleaf.com/pdfs/hbase_part_2.pdf. Retrieved 13 November 2009.[dead link]
