-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi Kevin,
this is the problem ! There's a lot of memory and CPU usage but, on that machine, there's ONLY RT 4.0.2 !!!!! It's a normal behaviour ? Michele On 26/10/2011 21:38, Kevin Falcone wrote: > On Wed, Oct 26, 2011 at 09:21:51AM +0200, Michele Pinassi wrote: >> Hi all, >> >> my RT 4.0.2 installation is too CPU hungry, expecially for apache2 >> threads. Here's the HTOP display of processes and threads: >> http://imageshack.us/photo/my-images/810/schermatagf.png/ > > That doesn't show high CPU usage, but it does show you being > dangerously close to swap. When an Apache server starts heavily using > swap, you get into swap death where a lot of CPU is wasted copying > apache children in and out of swap space. > > You either need to prune back your apache children to fit comfortably > in 1G of ram (and tune the max to never go above your memory > availability) or give the machine more RAM. Keep in mind that a > default apache may spawn 8 children, but be able to spawn another 20+ > children when required and that can push you off a memory cliff. > > -kevin > > > > -------- > RT Training Sessions (http://bestpractical.com/services/training.html) > * Washington DC, USA ? October 31 & November 1, 2011 > * Barcelona, Spain ? November 28 & 29, 2011 - -- || Michele Pinassi || System Manager Area Sistema Biblioteche - UniSi || https://sites.google.com/a/unisi.it/o-zone/ || Assistenza: +39.577.232299 (int. 2299) || Personale: +39.577.232477 (int. 2477) || FAX: +39.577.232430 (int. 2430) -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk6pG70ACgkQFPw35TwkuY53/gCg1NEC+1dDQ3cGOPUYz/i55NYx uLwAoJV3LMhXEuw8FA7l5GYsuXa3A1F8 =gCVH -----END PGP SIGNATURE----- -------- RT Training Sessions (http://bestpractical.com/services/training.html) * Washington DC, USA October 31 & November 1, 2011 * Barcelona, Spain November 28 & 29, 2011
