I also recently confirmed that the backend specs aren't reset with a VCL reload. We had a backend timeout that was too short, but we had to do a hard restart of all instances to pick up the change. Not the end of the world; worst case this might belong on the wiki.
The code to modify or respawn backend threads might be somewhat complicated, but it's probably worth it, IMHO. -- Ken On Feb 24, 2010, at 1:25 PM, John Norman wrote: > No, only the former / old path. > > I'm not super-troubled right now because a Varnish restart did pick up the > new path (but at the cost of my cache) -- but I'm a bit worried about the > next time I have to change it. > > I will be changing the probe interval soon, so that will give me a chance to > reproduce the problem, if it even exists. > > As a bit of background: > > I automate the VCL update to multiple servers, when/if the VCL file has > changed. > > Before the update, I also remove all of the inactive/old VCL's that are > sitting there. > > Then I add the new one and "use" it. > > When I observed in my backend logs the probes going to the old URLs, I did > check the "active" VCL on all systems, and they all showed the new path. > > In any case, I will try to reproduce and will send the results. > > One last thing: During the restart on one system, I observed the issue > reported here: > http://zarathustrashallspeak.com/2009/11/28/varnish-startup-issue/ > > John > > On Wed, Feb 24, 2010 at 4:18 PM, Poul-Henning Kamp <[email protected]> > wrote: > In message <[email protected]>, John > N > orman writes: > > >Still, the VCL indicated as "active" had a different path for the health > >check. > > Hopefully both got probed ? > > -- > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > [email protected] | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe > Never attribute to malice what can adequately be explained by incompetence. >
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