Hi Guillaume, We could not replicate the issue on test environment for requests with body version on test env: varnish-5.2.1 *[version on prod env: varnish-6.0.11]*
Can this be because of the version? *Thanks & Regards,* *Uday Kumar* On Thu, Oct 10, 2024 at 7:27 PM Uday Kumar <[email protected]> wrote: > Hi guillaume, > > Thanks, will check this and get back to you > > On Thu, Oct 10, 2024, 17:37 Guillaume Quintard < > [email protected]> wrote: > >> Hi Uday, >> >> Check your logs, it will probably tell you that the body was already >> consumed and for this reason it can't retry. If that's the case, check out >> https://varnish-cache.org/docs/trunk/reference/vmod_std.html#std-cache-req-body >> >> If not, please send us the complete logs (varnish -g request ...) and >> we'll look at it in greater details. >> >> Cheers, >> >> -- >> Guillaume Quintard >> >> >> On Thu, Oct 10, 2024 at 7:31 PM Uday Kumar <[email protected]> >> wrote: >> >>> Hello All, >>> >>> We have configured varnish in such a way that if one of the backend >>> returns *404 code*, varnish retries the request on another healthy >>> backend. >>> Varnish version: varnish-6.0.11 >>> >>> *Sample Configuration (default.vcl):* >>> sub *vcl_backend_response *{ >>> if (beresp.status == 404 { >>> return(retry); >>> } >>> } >>> >>> But in some cases, varnish retry is not happening as expected. >>> >>> Upon analysis we have found the only difference in requests is *payload* >>> >>> >>> >>> *Examples:Request Pattern-1:* >>> /GET >>> Request URL >>> HTTP Protocol >>> Request Headers >>> >>> *Request-Pattern-2:* >>> /GET >>> Request URL >>> HTTP Protocol >>> Request Headers >>> *payload* >>> >>> Please help us understand if there are any scenarios where varnish >>> retries won't happen. >>> >>> *Thanks & Regards,* >>> *Uday Kumar* >>> _______________________________________________ >>> varnish-misc mailing list >>> [email protected] >>> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >>> >>
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