I'm formally abandoning this thread and will only focus on the other one -- Guillaume Quintard
On Thu, Feb 18, 2021 at 8:21 AM Hamidreza Hosseini <[email protected]> wrote: > I read you article and it was great but I didn't find out my answer, I > said that I have 2 layer varnish: disk layer and ram layer and ram layer, > I want to check the health of layer 2 for example: > > Varnish Ram ===> Varnish Disk ===> Webserver > I adjust this probe on varnish ram: > > probe myprobe { > .request = > "HEAD / HTTP/1.1" > "Connection: close" > "User-Agent: Varnish Health Probe"; > .timeout = 1s; > .interval = 5s; > .window = 5; > .threshold = 3; > } > and varnish says: ` 0 Backend_health - boot.varnish_1 Still sick -------- > 0 3 5 0.000000 0.000000 Open error 111 (Connection refused)` > And I think it is right because it checks HEAD / on varnish backends and > there is nothing there! > So I'm asking how should I configure the probe to trigger another varnish > health as a backend > > Best regards. > > ------------------------------ > *From:* Hamidreza Hosseini > *Sent:* Thursday, February 18, 2021 5:31 AM > *To:* [email protected] <[email protected]> > *Subject:* How to adjust priority for both backend healthy > > I have two backend that both of them are healthy and I use fallback for > them and I want to say all request should goes to backend1 and if backend1 > become unhealthy all requests should go to backend2 but backend1 has higher > priority and when backend1 become healthy, all requests should go to > backend1, > How can I define priority? > my config: > > ``` > vcl 4.1; > > import directors; > > probe myprobe { > .request = > "HEAD / HTTP/1.1" > "Connection: close" > "User-Agent: Varnish Health Probe"; > .timeout = 1s; > .interval = 5s; > .window = 5; > .threshold = 3; > } > > backend backend1 { .host = "backend1"; .port = "8080"; .probe = myprobe; } > > backend backend2 { .host = "backend2"; .port = "8080"; .probe = myprobe; } > backend backend3 { .host = "backend3"; .port = "8080"; .probe = myprobe; } > > > sub vcl_init { > > new backend2_cluster = directors.round_robin(); > backend2_cluster.add_backend(backend2); > backend3_cluster.add_backend(backend3); > > > new backend_cluster_fb = directors.fallback(); > backend1_fb.add_backend(backend1); > backend2_cluster_fb.add_backend(backend2_cluster.backend()); > } > > sub vcl_recv { > set req.backend_hint = backend_cluster_fb.backend(); > > } > > ``` > > _______________________________________________ > varnish-misc mailing list > [email protected] > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >
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