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

See for details.

Quick Start

We officially support Red Hat Enterprise Linux (RHEL) 6.2 or later (64-bit) and Ubuntu Server 14.04 LTS / 16.04 LTS / 18.04 LTS (64-bit). On supported systems, you can install all components of Jubatus using binary packages.

See QuickStart for detailed description.

Red Hat Enterprise Linux 6.2 or later (64-bit)

Run the following command to register Jubatus Yum repository to the system.

// For RHEL 6
$ sudo rpm -Uvh

// For RHEL 7
$ sudo rpm -Uvh

Then install jubatus and jubatus-client package.

$ sudo yum install jubatus jubatus-client

Now Jubatus is installed in /usr/bin/juba*.

$ jubaclassifier -f /usr/share/jubatus/example/config/classifier/pa.json

Ubuntu Server (64-bit)

Write the following line to /etc/apt/sources.list.d/jubatus.list to register Jubatus Apt repository to the system.

// For Ubuntu 12.04 (Precise) - Deprecated (unsupported)
deb binary/

// For Ubuntu 14.04 (Trusty)
deb binary/

// For Ubuntu 16.04 (Xenial)
deb binary/

// For Ubuntu 18.04 (Bionic)
deb [trusted=yes] /

Now install jubatus package.

$ sudo apt-get update
$ sudo apt-get install jubatus

Now Jubatus is installed in /opt/jubatus/bin/juba*.

$ source /opt/jubatus/profile
$ jubaclassifier -f /opt/jubatus/share/jubatus/example/config/classifier/pa.json

Other Platforms

For other platforms, refer to the documentation.


LGPL 2.1

Third-party libraries included in Jubatus

Jubatus source tree includes following third-party library.

  • cmdline (under BSD 3-Clause License)

Jubatus requires jubatus_core library. jubatus_core contains Eigen and fork of pficommon. Eigen is licensed under MPL2 (partially in LGPL 2.1 or 2.1+). The fork of pficommon is licensed under New BSD License.

Update history

Update history can be found from ChangeLog or WikiPage.


Patches contributed by those people.