<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>It does seem like a good idea on the face of it. I would have to check if we do that, but I know that the jobs we tend to run don't happen to come close to using all of the physical memory on the machines anyway, so there ought not really be an impact, I'd think. <br><br><span style="background-color: rgba(255, 255, 255, 0);">____ *Note: UMDNJ is now Rutgers-Biomedical and Health Sciences*<br>|| \\UTGERS |---------------------*O*---------------------<br>||_// Biomedical | Ryan Novosielski - Senior Technologist<br>|| \\ and Health | <a href="mailto:novosirj@rutgers.edu" x-apple-data-detectors="true" x-apple-data-detectors-type="link" x-apple-data-detectors-result="3">novosirj@rutgers.edu</a>- 973/972.0922 (2x0922)<br>|| \\ Sciences | OIRT/High Perf & Res Comp - MSB C630, Newark<br> `'</span></div><div><br>On Feb 6, 2015, at 17:34, Prentice Bisbal <<a href="mailto:prentice.bisbal@rutgers.edu">prentice.bisbal@rutgers.edu</a>> wrote:<br><br></div><blockquote type="cite"><div><span>Do any of you disable swap on your compute nodes?</span><br><span></span><br><span>I brought this up in a presentation I gave last night on HPC system </span><br><span>administration, but realized I never actually did this, or know of </span><br><span>anyone who has. I would tweak the vm.overcommit_memory setting, but </span><br><span>that's not the same as disabling swap altogether. I'd like to try doing </span><br><span>this in the future, but I prefer to learn from someone else's mistakes </span><br><span>first.</span><br><span></span><br><span></span><br><span>-- </span><br><span>Prentice</span><br><span>_______________________________________________</span><br><span>Beowulf mailing list, <a href="mailto:Beowulf@beowulf.org">Beowulf@beowulf.org</a> sponsored by Penguin Computing</span><br><span>To change your subscription (digest mode or unsubscribe) visit <a href="http://www.beowulf.org/mailman/listinfo/beowulf">http://www.beowulf.org/mailman/listinfo/beowulf</a></span><br></div></blockquote></body></html>