Jubatus

The Jubatus library is an online machine learning framework which runs in distributed environment.

See http://jubat.us for details.

QuickStart

Jubatus officially supports Ubuntu >= 12.04 , Red Hat Enterprise Linux >= 6.2 . On other platforms, some may work if they have gcc >= 4.4 .

For minimal standalone mode, Jubatus requires libevent >= 1.4 , pficommon >= 1.3.1 , google-glog , libmsgpack, python >= 2.6 . Please install these software with headers before installation.

$ git clone git://github.com/jubatus/jubatus.git
$ cd jubatus
$ ./waf configure --disable-re2
$ ./waf build
$ sudo ./waf install
$ jubaclassifier

Here Jubatus classifier server has started. Enjoy!

License

LGPL 2.1

Update history

Release 0.3.3 2012/10/29

Improvements

• deb package (#14)
• Jubatus loads plugin from default directory (#57)
• Add hash_max_size option to learn in fixed-size memory (#67)
• OS X Homebrew packaging (#116)
• GCC compilation version <= 4.2 when zookeeper enabled (#60)
• Experimental support for Clang compilation (#100)
• Make the timeout smaller in unittest
• libmecab_splitter works well in multi-thread environment, and now only support mecab ver. 0.99 or later
• word_splitter::split method is now constant
• global_id_generator(standalone-mode) for graph, that supports 32 bit environment (#135)
• Use (document_frequency + 1) to calculate IDF weight to avoid inifinity

Bugfix

• #94, #104, #106, #108, #110, #111, #113, #114, #117, #118, #124, #126, #129, #133, #138, #139, #146, #148

Release 0.3.2 2012/9/21

Improvements

• jubavisor/jubactl support jubatus server options (#75)
• jubadoc: document generator (.idl => .rst) (#88)
• jenerator: enabled -o option to specify output directory
• yum (RPM) packaging (#40)

Bugfix

• #51, #76, #77, #79, #83, #90, #91, #96, #98, #99, #100, #101, #102, #103

Release 0.3.1 2012/7/20

Improvements

• RPC enhances to many exceptions and provide new error handling interface (#49)
• JSON interface for set_config APIs (#44)
• jubavisor close zk connection correctly (#74)

Bugfix

• #73, #69, #66, #65

Release 0.3.0 2012/6/29

Improvements

• Distributed Graph Processing
  • Centrality computation
  • Shortest path search
• New neighbor-search algorithm for recommender: minhash
• installs pkgconfig file (#42, jubatus.pc)
• jubavisor handling signal (#53)
• Exception handling and error outputs (#55)

Bugfix

• internal API get_storage implemented again (#21)
• Forgot ignoring signal in keeper #47
• #54, #45, #15

Release 0.2.3 2012/6/8

Improvements

• Asynchronous call to multiple servers at once, both keeper and mix - common/mprpc
• Refactor generator
• Error message improve
• Timeout in unittest expanded

Bugfix

• jubactl doesn't work ver 0.2 and later #13
• jubavisor doesn't work on daemon mode #5
• Asynchronous mprpc client critical bug
• #47, #50, #34, #36, #37, #31, #19, and other small bugfix

Release 0.2.2 2012/4/6

Improvements

• Simpler interfaces at classifier, regression and recommender
  • Clients are NOT COMPATIBLE with previous releases
• Now mix works concurrently in multiple threads (except tf-idf counting)
• Asynchronous RPC to multiple servers at once
• Add --version option
• Interface description language changed from C++-like to Annotated MessagePack-IDL
• Minor error handling
• A bit more tested than previous releases

Bugfix

• #30, #29, #22

Release 0.2.1 2012/3/13

Bugfix release: #28

Release 0.2.0 2012/2/16

New Features

• recommender
  • support fast similar item search, real-time update, distributed data management
  • inverted index : exact result, fast search
  • locality sensitive hash : approximate result, fast search, small working space
• regression
  • online SVR using passive agressive algorithm
  • as fast as current classifier
• stat
  • a Key(string)-Value(queue<double>)
  • O(1) cost of getting sum, standard deviation, max, min, statistic moments for each queue
• server framework
  • less-tightly coupled distributed processing framework with each ML implementation
  • idl & code generator - make it easy to write own jubatus system
  • removed public release of client libraries (so easy to generate!)
  • multiple mix - mutiple data objects can be mixed in one jubatus system

Bugfix

• duplicate key entry in fv_converter breaks the parameter

Release 0.1.1 2011/11/15

Bugfix release

Release 0.1.0 2011/10/26

Hello Jubatus!

First release: including classifier, and mix operation