On May 10, 2007, at 7:31 PM, Barry Abrahamson wrote:
We are currently testing Varnish as a reverse proxy to serve
images. We are running into problems where the varnishd child (and
sometimes parent), will die unexpectedly.
FWIW I am seeing something similar. I haven't seen anything in the
syslog or tried running varnishlog for long enough to catch it
happening (which I why I didn't post). In this installation (on
RHEL4) increasing the cache size did seem to help on the frequency.
It never happens when it's idle-ish (<100-150 rps) but in the busy
hours (2-500rps) it happens frequently. In the cache hit ratio (I
love munin!) you can see that pretty clearly - stable or slowly
increasing average ratio during the off-peak hours - when it's busy
it drops every time there's a crash...
http://tmp.askask.com/2007/05/varnish_cachehitratio-day.png
- ask
--
http://develooper.com/ - http://askask.com/
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