In message <4aa7ad33.1060...@1art.cz>, =?UTF-8?B?VsOhY2xhdiBCw61sZWs=?= writes: >Helo > > >what are your experiences using varnish on multi CPU systems on >Linux/Freebsd? > >my experience in Linux on 8core is that varnish never gets more than >20% of all CPUs, only vhen it is overloaded, then it takes all CPU ( but >berformance drops).
That is pretty typical behaviour. In general Varnish does not need much CPU, it needs only an average of seven sytem calls for a cache hit (last I looked). The problem is that when things pile up, for whatever reason, Varnish sort of climbs the pile. Various ideas have been floated, how to deal better with that, but no really good idea has been found yet. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 p...@freebsd.org | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ varnish-misc mailing list varnish-misc@projects.linpro.no http://projects.linpro.no/mailman/listinfo/varnish-misc
