Sacha, try to modify the /proc/sys/vm/swappiness it's on 60 (default), I reduce it to 20 or even 0, on my oracle cluster, to prevent important process from being swapped.
Regards, Pablo On Tue, Apr 8, 2008 at 5:51 AM, Sascha Ottolski <[EMAIL PROTECTED]> wrote: > Am Montag 07 April 2008 18:00:14 schrieb Dag-Erling Smørgrav: > > > Sascha Ottolski <[EMAIL PROTECTED]> writes: > > > now that my varnish processes start to reach the RAM size, I'm > > > wondering what a dimension of swap would be wise? I currently have > > > about 30 GB swap space for 32 GB RAM, but am wondering if it could > > > even make sense to have no swap at all? My cache file is 517 GB in > > > size. > > > > Varnish does not use swap. > > > > DES > > hmm, then I'm wondering why my machines do swap quite a bit. It's a > almost naked linux, the only processes really doing some work are > varnishd and varnishlog. > > I have 32 GB of RAM, 30 GB of swap, and 517 GB of cache file. according > to "top", varnishd has a resident size of 25 GB, and almost 1,5 GB of > swap is in use. kswapd often shows up in "top". > > > # free > total used free shared buffers cached > Mem: 32969244 32874908 94336 0 108648 29129752 > -/+ buffers/cache: 3636508 29332736 > Swap: 29045480 1473200 27572280 > > > it's not worrying me, performance is brilliant, I'm just curious :-) > > > Thanks, Sascha > > > _______________________________________________ > varnish-misc mailing list > varnish-misc@projects.linpro.no > http://projects.linpro.no/mailman/listinfo/varnish-misc > _______________________________________________ varnish-misc mailing list varnish-misc@projects.linpro.no http://projects.linpro.no/mailman/listinfo/varnish-misc