VM and performance (was Re: [Beowulf] best Linux distribution)
tjrc at sanger.ac.uk
Tue Oct 9 08:46:35 PDT 2007
On 9 Oct 2007, at 3:48 pm, andrew holway wrote:
> Seems to be some excitement in Europe over Xen, a
> paravirtualisation package.
I ran our bioinformatics benchmark suite on some of our old RLX
blades running Xen, just to see what the performance hit was. It was
only about 2%, running a mixture of BLAST, HMMER, genewise and
exonerate, many of which are fairly I/O intensive. I was quite
surprised it was as small a hit as that.
That said, I'm still not using virtualisation on our production
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