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This page lists the system requirements to run Petals ESB. As a reminder, Petals ESB is a standalone, distributed server. It does not require an application server. |
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Operating Systems
The following operating systems are supported:
- Linux Debian-based (e.g. Debian, Ubuntu)
- Red Hat (RHEL, CentOS)
Although Petals ESB runs on Windows and MacOS, these operating systems are neither recommended nor supported in production environments.
Java
You must have installed a Java Runtime Kit (JRE) headless on your operating system before proceeding with a Petals ESB installation.
 | Few Petals BC or SE requires a Java Development Kit. Please check the user documentation of the components that you use. |
OpenJDK 7 is the only JRE supported (no specific version).
Firewall Software Configuration
All the ports declared within the topology.xml file must be opened between Petals server instances.
In addition, JMX ports must be accessible for administrators machines.
Besides, Petals components may require to open more ports (example: the SOAP component).
Petals ESB hardware requirements
Only x86 hardware and 64-bit derivatives of x86 hardware are supported with Petals ESB. Server load depends primarily on the number of requests per second on the bus. Petals ESB runs over virtualized environments.
Production use, light to medium server load :
- Dual 2 GHz+ CPU Xeon or equivalent
- 2 GB of RAM for Petals
- 1.000 Mbits/s network interface
- 500 MB of disk for Petals
Production use, heavy load :
- Quad 2GHz+ CPU Xeon or equivalent
- 4 GB of RAM for Petals
- 1.000 to 10.000 Mbits/s network interface
- 500 MB of disk for Petals
Notice that in a distributed mode, Petals nodes perform a lot of exchanges with other nodes. The network is therefore highly solicited.
Petals ESB requires few disk space, unless you use advanced logging to monitor flows. In this case, you should have a disk partition dedicated to the logs.
Petals ESB does not require to back up any data. If a node crashes, you can simply reinstall it over another machine (with the same network configuration).
However, to minimize the impact of a crash, you can use a RAID configuration. This solution avoids a full reinstallation.
 | See System configuration to adjust your system to get the best of Petals ESB. |