Cache survived varnish restart?
zxcvbn4038 at gmail.com
Tue Nov 1 22:41:01 CET 2016
I didn't think so either but not sure how to explain the lack of disruption
from the restarts.
On Mon, Oct 31, 2016 at 5:21 AM, Guillaume Quintard <
guillaume at varnish-software.com> wrote:
> I don't think that's possible :-) That would be nice though.
> Guillaume Quintard
> On Thu, Oct 27, 2016 at 8:41 PM, CJ Ess <zxcvbn4038 at gmail.com> wrote:
>> I saw something today that I can't explain - I upgraded Varnish 4.1.0 to
>> v4.1.3 by restarting varnishd on a server. I can see that inode of the
>> executable and libraries are right for the updated files in the running
>> varnishd via /proc/<pid>/maps (on Linux), I can see that no other varnishd
>> processes are running. I expected that restarting varnish would cause the
>> cache to be wiped and require some period of warmup, however the hit rate
>> held steady at 98% and I don't know why.
>> I'm very happy to be able to do this, its going to make the rest of my
>> upgrades non-disruptive, but I'd like to be able to explain whats happening
>> behind the scenes. Can anyone tell me how the cache seemed to survive the
>> varnish-misc mailing list
>> varnish-misc at varnish-cache.org
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