<p>The parent will restart the child if it becomes unresponsive to pings. This can happen for multiple reasons. Do you have historical metrics for the server that you can examine to see if load goes up or idle cpu goes down or if memory is consumed?</p>
<p>(Sorry for the top post, friggin mobile device)</p>
<p><blockquote type="cite">On Jan 9, 2010 5:34 AM, "Frank van Lingen" <<a href="mailto:frank@vanlingen.name">frank@vanlingen.name</a>> wrote:<br><br>Hello,<br>
<br>
After setting up varnish and starting it I looked at the statistics<br>
using varnsihstat. The timer in the left uppper corner seems to be the<br>
uptime since it last started or was flushed. When I loaded some pages,<br>
I can see the cache is working<br>
<br>
But I notice that once every so often the cache seems to either flush<br>
itself or restart. During this 2-3 seconds that this happens I can not<br>
load any pages.<br>
<br>
Is there a default 'cash flush' value that makes this (for me<br>
undesirable) behavior happen?<br>
<br>
I added the example described in<br>
<a href="http://varnish.projects.linpro.no/wiki/VCLExampleLongerCaching" target="_blank">http://varnish.projects.linpro.no/wiki/VCLExampleLongerCaching</a> to my<br>
vcl file, but if the cash flushes itself a couple of times per day<br>
then it defeats the purpose.<br>
<br>
I am using varnish-2.0.5-1.el5 on centos5 and use the default.vcl file<br>
with the above longer caching example added to it and ignore swf and<br>
pdf files. I start varnish with 40 MB of cache and test this with a<br>
few html pages and jpgs (less then 15 MB in size). During tests<br>
normally not more than 50% of the cache is used.<br>
<br>
Besides this issue varnish seems to work almost right out of the box.<br>
<br>
Frank.<br>
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</blockquote></p>