Thank you very much, will do! (and report back the results) Regards and thanks for supporting, Mike On Tue, 6 Oct 2015 18:16:46 +0200 "Johannes Truschnigg" <johannes.truschnigg@xxxxxxxxxxx> wrote: > Am Di, 6.10.2015, 16:50 schrieb Darrick J. Wong: > > On Tue, Oct 06, 2015 at 04:24:43PM +0200, krautus@xxxxxxxxx wrote: > >> [...] > >> So I'm asking you: > >> 1. is there a way to force dentries and inodes to stay in ram ? > >> 2. can I perhaps move dentries and inodes to a dedicated SSD ? > >> > >> I'm open to all possibilities, perhaps increase RAM ? > >> Upgrade to Debian Jessie and 64 bit ? > > > > ISTR that kernel data such as slabs cannot live in highmem, which means > > that > > dentries and slab cannot live in highmem. A 32bit kernel sets up ~900M of > > low > > memory and ~15G of highmem, which is probably why the kernel has to evict > > things and why you see such problems. > > > > A 64bit kernel sets up all the memory as lowmem, so the kernel can use all > > the > > memory for stuff like that. I'd give that a try first. > > A few years back, we solved pretty much that exact same problem by > switching the kernel to amd64, with all of userspace remaining i386. You > should definitely try this. > > -- > Mit freundlichen Grüßen > Johannes Truschnigg > Senior System Administrator > -- > mailto:johannes.truschnigg@xxxxxxxxxxx (in dringenden Fällen bitte an > info@xxxxxxxxxxx) > > Geizhals(R) - Preisvergleich Internet Services AG > Obere Donaustrasse 63/2 > A-1020 Wien > Tel: +43 1 5811609/87 > Fax: +43 1 5811609/55 > http://geizhals.at => Preisvergleich für Österreich > http://geizhals.de => Preisvergleich für Deutschland > http://geizhals.eu => Preisvergleich EU-weit > Handelsgericht Wien | FN 197241K | Firmensitz Wien > > _______________________________________________ > xfs mailing list > xfs@xxxxxxxxxxx > http://oss.sgi.com/mailman/listinfo/xfs _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
