Author Archives: erik

General Approach Over the past week, I have been doing benchmarking on KVM performance. The reason for this is that I want to use KVM on my new server and need to know what the impact of KVM is on … Continue reading →

After running quite a few tests with different configurations and doing also some manual testing, I am finding out that more or less the main factor in performance of KVM versus native is the disk IO. In particular, the schedulilng … Continue reading →

I have started to do benchmarking with virtual machines under opensuse 11.3 with KVM and had setup a number of different domains to run the same OS under different settings. Just one minor issue occurred which was that some domains … Continue reading →

As preparation for the new server I am getting, I am preparing for that by at least getting the software to a more recent baseline. The idea is to first upgrade the software to the more recent versions while still … Continue reading →

So with one last changes of the heatsink to a Supermicro SNK-P0038P (bigger than the Intel) and of the chassis to the more silent SC743 TQ-865B-SQ, the server is now complete and I have placed the order. Now the waiting … Continue reading →

Incredible how much you learn while looking for the correct parts for a server. Initially I started out with an Intel S5500HCVR motherboard  based on the 5500 chipset and an Antec Take 4 650 case and a Noctua NH-U12DX 1366 … Continue reading →

It is flue season again, but this time it is not a regular flue but more like a server virus. I have had this virus before and it usually ends up in me spending a lot of money on very … Continue reading →

In 2006 I got myself a new server. The old one was already 7 years old and was at its limit. Memory was tight and the setup was not ideal. For instance, I had 2 internal hard disks with a … Continue reading →