ODP Documentation
The 100% open source Apache Hadoop distribution managed by Apache Ambari. Built and maintained by Clemlab 🇫🇷.
Available versions
Hadoop 3.4.1, Hive 4.0.1, Spark 3.5.4, Iceberg 1.6.1, Kafka 3.8.1, Ozone 2.0.0. aarch64 (ARM64) production-ready.
Browse documentation →Kubernetes via Ambari, Apache Polaris, Impala 5.0.0, Superset 4.1.4, NiFi 2.8.0, OIDC, JDK 21. Contact us for early access.
Request early access →Documentation for the previous release. Upgrade to ODP 1.3.1.0 recommended.
Browse →Guides & references
Getting Started
Install your first ODP cluster in under 30 minutes.
⚙️Installation Guide
Hardware sizing, OS preparation, and Ambari-guided deployment.
🔒Security
Kerberos, Apache Ranger RBAC, Knox gateway, and encryption.
🏔Lakehouse & Iceberg
Open lakehouse with Apache Iceberg, Hive ACID, and Polaris catalog.
📋Release Notes
What's new, fixed, and changed in the current release.
🔄Upgrade
Rolling upgrade from ODP 1.2.x to 1.3.x via Ambari.
📐Cluster Planning
Architecture, hardware recommendations, and network requirements.
🤖AI & ML
Sovereign AI workloads, Spark MLlib, and the ODP MCP Server.