Software and Memory Requirements

Make sure that your system meets the following requirements:

Software Requirements

On each of your hosts:

  • yum and rpm (RHEL/Rocky Linux)

  • apt (Ubuntu)

  • scp, curl, unzip, tar, wget, and gcc

  • OpenSSL (v1.01, build 16 or later)

  • Java11 or Java17 with devel package

  • Python 3.11 (with python-devel)

Python 3.11.x must be the default Python version when installing Ambari and the ODP cluster.

update-alternatives --config python update-alternatives --config python3

Install the following required packages for ODP:

Info

Below packages with pip install are no more required from 3.0.0.0-1 onwards

pip3.11 install distro pip3.11 install lxml
update-alternatives --config python

Memory Requirements

The Ambari host must have at least 1 GB RAM, with 500 MB free.

To check the available memory on any host, run the free -m command.

Note Use these values as guidelines. Make sure to test them for your specific environment.

Package Size and Inode Count Requirements


Size

Inodes

Ambari Server

100MB

5,000

Ambari Agent

8MB

1,000

After Ambari Server Setup

N/A

4,000

After Ambari Server Start

N/A

500

After Ambari Agent Start

N/A

200

Note Size and Inode values are approximate.

  Last updated on Mar 3, 2026
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