Hello
We're having a very nasty production issue. We're getting intermittent 503 from Varnish in front of a healthy backend. This seems to happen on cache-miss, but we're not seeing requests make it to the backend. Varnish immediately returns the 503. After the first 503, the page can usually be loaded by requesting it a few more times. This seems to indicate that there is some condition within Varnish that prevents it from hitting the backend that clears up quickly. Has anyone seen this issue before? Is there anything we can try? This is our startup config: DAEMON_OPTS="-a :80 \ -T localhost:6082 \ -f /etc/varnish/default.vcl \ -S /etc/varnish/secret \ -s file,/var/lib/varnish/$INSTANCE/varnish_storage.bin,1G \ -p http_headers=128 \ -p sess_workspace=262144 \ -p connect_timeout=60 \ -p max_restarts=6 \ -p log_hashstring=on \ -p cli_timeout=60 \ -t 0" We are on version 2.0.5 Thanks, August
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