PredictionIO, a machine learning server for developers and ML engineers.

Clone this repo:
  1. d9628ca [PIO-214] use openjdk8 as oraclejdk8 is no longer available in the default Travis build image (#525) by Michael Reynolds · 4 years ago develop
  2. d6bae3a [PIO-200] Improve redeploy script example (#504) by Vinay · 4 years, 1 month ago
  3. 9ed7d84 [PIO-209] Upgrade Elasticsearch to 6.8 for pre-built binary distribution (#516) by takako shimamoto · 4 years, 1 month ago
  4. b2ef983 [PIO-211] Fix pio deploy fail when using HDFS model storage by Alex Merritt · 4 years, 4 months ago
  5. 1094de8 Set engine id, version, variant, even in Python by Alex Merritt · 4 years, 4 months ago

Apache PredictionIO


Apache PredictionIO is an open source machine learning framework for developers, data scientists, and end users. It supports event collection, deployment of algorithms, evaluation, querying predictive results via REST APIs. It is based on scalable open source services like Hadoop, HBase (and other DBs), Elasticsearch, Spark and implements what is called a Lambda Architecture.

To get started, check out!

Table of contents


A few installation options available.

Quick Start

Bugs and Feature Requests

Use Apache JIRA to report bugs or request new features.


Documentation, included in this repo in the docs/manual directory, is built with Middleman and publicly hosted at

Interested in helping with our documentation? Read Contributing Documentation.


Keep track of development and community news.


Read the Contribute Code page.

You can also list your projects on the Community Project page.


Apache PredictionIO is under Apache 2 license.