We don't disable swap, ala the voodoo mentioned in the Linux Journal article. We only create a one gig swap, setting vm.swappiness=1 and vm.overcommit_memory=2 to stay out of it. No problems, but I wonder if we should just skip a swap partition, all together.
Cheers. On 05:35PM Fri 02/06/15 -0500, Prentice Bisbal wrote: > Do any of you disable swap on your compute nodes? > > I brought this up in a presentation I gave last night on HPC system > administration, but realized I never actually did this, or know of anyone > who has. I would tweak the vm.overcommit_memory setting, but that's not the > same as disabling swap altogether. I'd like to try doing this in the future, > but I prefer to learn from someone else's mistakes first. > > > -- > Prentice > _______________________________________________ > Beowulf mailing list, [email protected] sponsored by Penguin Computing > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf -- Gavin W. Burris Senior Project Leader for Research Computing The Wharton School University of Pennsylvania _______________________________________________ Beowulf mailing list, [email protected] sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
