Thanks a lot Dridi! That makes sense :)
To answer your 2nd question, I would have liked to see this documented as follows: http://www.varnish-cache.org/docs/4.1/reference/varnish-counters.html <http://www.varnish-cache.org/docs/4.1/reference/varnish-counters.html> - in the n_gunzip section (i.e. includes the.. ) https://www.varnish-cache.org/docs/4.1/reference/vsl.html <https://www.varnish-cache.org/docs/4.1/reference/vsl.html> - in the Gzip tag section https://varnish-cache.org/docs/4.1/phk/gzip.html <https://varnish-cache.org/docs/4.1/phk/gzip.html> - and here.. Thanks for your hard work on this cool product guys! -- Vlad Rusu skypeid: rusu.h.vlad | cell: +40758066019 Lola Tech | lola.tech <https://lola.tech/> > On 06 Jan 2017, at 15:07, Dridi Boukelmoune <[email protected]> wrote: > > On Fri, Jan 6, 2017 at 10:28 AM, Vlad Rusu <[email protected]> wrote: >> Hi guys, >> >> https://www.varnish-cache.org/docs/4.1/reference/vsl.html >> >> Gzip tag, in the format section, shows a possible flag of ‘u’ representing a >> Gunzip-test >> >> In my varnishstat output I see how MAIN.n_gunzip equals (roughly) >> MAIN.backend_req >> >> >> Looking at the Gzip tag, I see the following for every backend request: >> >> Gzip u F - 70 55 80 80 489 >> >> >> Can someone help me understand what a Gunzip-test means / does? It sure gets >> counted against MAIN.n_gunzip. > > Hello Vlad, > > The gunzip test is performed when an already-gzipped backend response > is inserted in the cache. It is inflated in a black-hole, only to make sure > that the object being fetched is proper gzip. > >> Am not attaching the VCL or a full varnishstat as I don’t think it makes >> sense. Each backend sends gzipped data back to Varnish and each client >> requests for gzipped data from Varnish.. > > For each gzipped backend response, you will see this behavior (u flag > in logs, and counter increment). There is no separate counter for test > gunzip vs regular gunzip, although some of us would like to make the > distinction. > > As an end-user, how and where would this be best documented in your > opinion? > > Best Regards, > Dridi
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