Varnish crashing in production
andrearo at pvv.ntnu.no
Fri May 11 10:05:09 CEST 2007
On Thu, 10 May 2007, Ask Bjørn Hansen wrote:
> 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
Interesting.. How did you setup rrdtool to graph the hit ratio?
- Andreas R.
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