lindahl at keyresearch.com
Mon Sep 22 17:52:54 EDT 2003
On Mon, Sep 22, 2003 at 02:34:04PM -0400, Jeffrey B. Layton wrote:
> Check out Warewulf: warewulf-cluster.org. Very cool cluster
> distribution that uses a very small Ramdisk to hold the necessary
> parts of the OS. I've just started to use it and it's very slick.
That's how Scyld Beowulf works, too.
> What's the difference between tmpfs and a ramdisk created through
> the kernel? Is there a speed difference?
I believe that tmpfs is dynamically sized, and the Linux ramdisk
device is not.
> If you are happy with the speed improvement of using a ram disk
> to store the database, you might want to consider squashfs
If he's doing things like gene comparisons, the work of uncompressing
the database would be a huge performance loss.
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