On Jan 4, 2016 6:24 PM, "Mark Felder" <[email protected]> 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 > Varnish. > > What is the version of the kernel on the instances that work well for > you?
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 this?
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