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We also hope that using onos.py will make ONOS development easier and more fun.

Setting up a development VM or server

This document assumes that you already have a VM or server  (we recommend Ubuntu 16 LTS) where you can compile ONOS, preferably using buck (or possibly with Maven - see below.)

Info
titleGive your VM enough memory for ONOS!

ONOS java processes tend to consume a huge amount of memory. In order to run an ONOS cluster in a single VM, you should allocate a large amount of RAM to that VM. We recommend 2-4 GB (or more if you have it) for each ONOS node that you intend to run. You can see how much memory and CPU ONOS's java processes are using by running top - if you start using swap space, the performance of ONOS and Mininet will suffer greatly!


Getting Mininet

In order to use onos.py, you need Mininet, which is easy to install in a VM or server running a recent release of Ubuntu.

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