The project review outlines the successful construction and configuration of a 3-node GPU cluster with InfiniBand networking. It details performance testing procedures and confirms healthy RDMA performance with minimal tuning.
performance
CEPH: TCP Performance Tuning
Below are a few TCP tunables that I ran into when looking into TCP performance tuning for CEPH. Note that there are two separate sections for 10GE connectivity, so you will want to test with both to find what works best for your environment. To implement, we just add what is below to /etc/sysctl.d/99-sysctl.conf and … Continue reading CEPH: TCP Performance Tuning
HomeLab Adventures: Freenas Volume 1
So I am not going to lie, I am a very sick man, and I am not afraid to admit it. I have a terrible, terrible addiction which is my homelab. It all started out so innocently... An old Sun Ultra 5 to learn Sparc Solaris at home.. A couple of desktops converted over to rack mount cases and racked in a cheap telecom rack in my unfinished basement. This was very early in my career when I had a lot to learn and plenty of free time to study. However that was many moons ago.
Basic AIX Performance Troubleshooting Commands
Wow, today I logged into my first AIX Server in about 4.5 years. It was a horrible experience. I've been working with Redhat/CentOS pretty much exculsively for so long, I was mostly helpless to do anything of importance on the CLI other than create a few users and move some files around. None of the common commands that I am so used to using even exist in AIX.