Are the probe thresholds and counts configurable? > On 19 Jun 2014, at 4:07 pm, "MAGNIEN, Thierry" <[email protected]> > wrote: > > Hi, > > 1) Tou have to check if you have objects that are removed from cache because > of lack of space. They are marked as "n_lru_nuked" in varnishstat. > > 2) With your probe configuration, varnish will have to get at least 8 good > results out of 10 from probes in order to consider the backend healthy. With > an interval of 30s, this can take quite long ;-) > > Regards, > Thierry > > > > ----------------------------- > De : [email protected] > [mailto:[email protected]] De la > part de Hernán Marsili > Envoyé : mercredi 18 juin 2014 19:15 > À : varnish-misc > Objet : memory alloc and probe > > Hi, > > We have two problems while using Varnish: > > 1) we actually don't know how to determine if the amount of memory we > assigned to the MALLOC is enough or not. varnishstat -1 show this: > > SMA.s0.c_req 58035 34.08 Allocator requests > SMA.s0.c_fail 0 0.00 Allocator failures > SMA.s0.c_bytes 4830340101 2836371.17 Bytes allocated > SMA.s0.c_freed 2864339421 1681937.42 Bytes freed > SMA.s0.g_alloc 44952 . Allocations outstanding > SMA.s0.g_bytes 1966000680 . Bytes outstanding > SMA.s0.g_space 181482968 . Bytes available > SMA.Transient.c_req 72960 42.84 Allocator requests > SMA.Transient.c_fail 0 0.00 Allocator failures > SMA.Transient.c_bytes 4366160011 2563805.06 Bytes allocated > SMA.Transient.c_freed 4365783718 2563584.10 Bytes freed > SMA.Transient.g_alloc 350 . Allocations outstanding > SMA.Transient.g_bytes 376293 . Bytes outstanding > SMA.Transient.g_space 0 . Bytes available > 2) PROBE: we configured the probes as follows. What we noticed is, once the > backend is mark as sick, even when the service is restored, Varnish continues > to answering with a GURU MEDITATION. Is like VARNISH never checks back again > the backend to see if it is healthy again. Is that a misconfiguration we have? > > .probe = { > .url = "http://www.tycsports.com/balancer/alive1.html";; > .interval = 30s; #chequear cada X seg > .timeout = 10s; #timeout de la prueba > .window = 10; #el probing funciona como sliding window > .threshold = 8; # cuantos del window tienen que estar ok para > declararl$ > > Any help will be much appreciated! tnx :) > > Regards, > Hernán. > _______________________________________________ > varnish-misc mailing list > [email protected] > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
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