Dramatic memory use increase on varnish upgrade
sweeks at imvu.com
Tue Jan 5 03:28:04 CET 2016
On Jan 4, 2016 6:24 PM, "Mark Felder" <feld at feld.me> wrote:
> On Mon, Jan 4, 2016, at 19:16, Stephen Weeks wrote:
> > We have several varnishd instances that have been running fine for
> > years at constant memory use. We've recently decided to upgrade our
> > linux distribution. After some troubleshooting, we were unable to
> > find a configuration of Varnish on the new distro version that did not
> > have dramatically higher memory usage.
> I suspect Linux kernel's memory management changes are your problem, not
> What is the version of the kernel on the instances that work well for
The instances with constant memory use are on Linux 3.2. All the
misbehaving instances have been on Linux 3.19.
Any ideas how to mitigate this or any Linux kernel configuration I could
change? Any ideas what kernel behavior changes could be responsible for
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