> Derailing this topic slightly do you have any good tutorials as to steps > in > regards to compiling the kernel?
Good question, Have not done that in years. Although modules make things much easier then they used to be. -- Doug > > -----Original Message----- > From: beowulf-boun...@beowulf.org [mailto:beowulf-boun...@beowulf.org] On > Behalf Of Douglas Eadline > Sent: 21 March 2013 14:19 > To: Eugen Leitl > Cc: beowulf@beowulf.org > Subject: Re: [Beowulf] Clustering VPS servers > > >> On Thu, Mar 21, 2013 at 08:42:17AM -0400, Joe Landman wrote: >> >>> Honestly this never made a great deal of sense to me. Rather than >>> clustering VPSes, why not cluster bare metal JEOS kvm hypervisor >>> built machines? Not quite VMware stuff. We are using lots of kvm >>> (obscene amounts of it) in our projects across several OSes. Linux, >>> Illumos/SmartOS. We've been tweaking tiburon to handle such kvm >>> boots, so that turning on a very large cluster of virtual machines >>> and having them ready would take seconds to minutes at worst. Not >>> half hours to several hours for provisioning. >> >> Not sure I plugged this here before: http://erlangonxen.org/ It's >> proprietary so far, but such solutions can be replicated in the FLOSS >> domain. > > Interesting, although I like Erlang for non HPC type things. > > I sometimes like to think of the OS as a dynamic support library for the > application. From a performance standpoint, most things have become bigger > and faster and yet the Linux kernel has stayed about the same size and > once > tuned for HPC it is down right small in comparison. Of course, some > applications need other supporting software (Python,Perl) but the amount > of > software needed directly on a node is quite small (I use a fairly robust > Warewulf ramdisk image that is much less then 200M, which is less than > 2.5% > of system RAM on a node with 8G) To be fair, the image also uses NFS for > things like /usr/share. I have often thought that highly tuned application > ramdisk images combined with runtime provisioning by the scheduler is one > way to achieve "bare metal HPC virtualization" > > -- > Doug > > > > > > >> >>> VPS doesn't quite have the isolation of kvm, which is part of why I'd >>> like to see that. But kvm doesn't have great PCIe pass through (yet, >>> its getting better). VPS might be able to make better use of the >>> resource. >> _______________________________________________ >> Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin >> Computing To change your subscription (digest mode or unsubscribe) >> visit http://www.beowulf.org/mailman/listinfo/beowulf >> >> -- >> Mailscanner: Clean >> > > > -- > Doug > > -- > Mailscanner: Clean > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To > change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > > _______________________________________________ > Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf > > -- > Mailscanner: Clean > -- Doug -- Mailscanner: Clean _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
