Varnish 3.0.5 RAM/SWAP usage

[MAGNIEN, Thierry]

Hi,

Can you provide varnishstat output and vcl ? This will help for diagnostic.

Regards,
Thierry

-----Message d'origine-----
De : varnish-misc-bounces+thierry.magnien=sfr.com at varnish-cache.org [mailto:varnish-misc-bounces+thierry.magnien=sfr.com at varnish-cache.org] De la part de geodni at free.fr
Envoyé : mercredi 6 août 2014 14:19
À : varnish-misc at varnish-cache.org
Objet : Re: Varnish 3.0.5 RAM/SWAP usage

> I run a similar configuration except instead of file I use
> 
> malloc,26G
> 
> Have you tried that? does it react the same?

Hi,
I tried that and the system became unstable after 3 minutes. I had to reboot because of <defunct> processes appears after that. No hardware failure nor specific system log. After the reboot, I made another injection test with "file" storage.

My conclusion is that Varnish really eats 1GB per 1 million objects but it also consume 22GB RAM for the rest of its activity !!!
What the hell is it doing with 22GB of RAM ? 80MB for SHM logs, 100MB for threads ok but what about the rest ?

The platform I use runs at 2k requests per second for one injection job. One thing I can do is limiting "file"  storage to 100GB to be sure the system won't use SWAP. I am currently running this test.

Regards,
Denis

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