Thanks a lot for the great Hints. First of all, varnishtop -i TxURL hangs on my system, it shows 3-5 Entries, then freez and uses nearly 100%cpu on one of 8. Have to kill the pid. varnishtop with no args works.
System: 2.6.18-6-amd64 #1 SMP Mon Jun 16 22:30:01 UTC 2008 x86_64 GNU/Linux varnish: varnishd (varnish-2.0.4) Copyright (c) 2006-2009 Linpro AS / Verdens Gang AS Here is our Answer-Header, so we provide the max-age. Cache-Control max-age=2592000 Vary Accept-Encoding Expires Wed, 29 Apr 2009 21:14:47 GMT Content-Type image/jpeg Etag "857407780" Last-Modified Mon, 30 Mar 2009 20:35:52 GMT Server lighttpd/1.4.20 Content-Length 1392 Date Fri, 24 Apr 2009 13:19:59 GMT X-Varnish 623951818 451344757 Age 2131515 Via 1.1 varnish Connection keep-alive Thanks again for your hints best Am Freitag, 24. April 2009 14:21:52 schrieben Sie: > On Fri, Apr 24, 2009 at 01:28:36PM +0200, Kain Sascha wrote: > > /usr/local/sbin/varnishd -a :80 -b 89.250.xx.xx:80 -s malloc,15360M > > You may want to supply a -w. The default is really whimpy which could > create problems during spikes of traffic. Try something like -w 400,800. > Varnishstat n_wrk_limited and n_wrk_drop are values you don't want to > increase after the initial startup. n_wrk_limited can increase a little > every once in a while, but it should only happen on significant load > spikes. > > > I didnt use a config file, because i think i dont need it for static > > files only. is this correct? > > The default TTL is 120s if I am not much mistaken. You probably want it to > be something closer to 500h or some other really long period of time. This > has to be done in VCL if your backends don't deliver > s-maxage/max-age/Expires: headers. > > For instance: > > vcl_fetch: > set obj.ttl = 500h; > > > Is this a good solution? > > Yes, though you should make sure varnish caches as much as you want it to > and watch the hitrate in varnishstat and check what is actually going to > the backends most frequently with varnishtop -i TxURL. With varnishtop -i > TxURL, you really shouldn't see many values above 1-3 for static content. > > > Sometimes im getting a 503 error when the static server has high load. > > Also sometimes i am waiting a long time for some files that has to be on > > RAM allready. > > The X-Varnish HTTP header can tell you if it is a hit or not. It gives you > one or two numbers: One is a transaction id, and the last identifies the > original transaction that fetched the object. One number: MISS; two > numbers: HIT. _______________________________________________ varnish-misc mailing list [email protected] http://projects.linpro.no/mailman/listinfo/varnish-misc
