Dear all I have a problem with my Varnish installation when I try to stream mp3 files through Varnish Cache 4. This is the scenario.
I have a Drupal website in which editors can upload mp3s. These mp3s are listed in a section of website and the end user can listen using an HTML 5 player. The stack is: Varnish 4 <-> Nginx 1.11<-> Drupal 7 on a GNU/Linux Debian Jessie. Varnish and Nginx are installed with Debian packages. My Varnish configuration is here: https://pastebin.com/8Kw1b2mL <https://pastebin.com/8Kw1b2mL> When I try to listen an mp3 directly through Nginx all works well: player loads the file and I can listen the mp3. If I try to do the same through Varnish, the player remains in loading and mp3 doesn’t start. I tried to download the mp3 file using curl and my request goes in timeout. I had a look at varnishlog and this is the output: * << Request >> 1409738 - Begin req 1246052 rxreq - Timestamp Start: 1552587068.541997 0.000000 0.000000 - Timestamp Req: 1552587068.541997 0.000000 0.000000 - ReqStart 93.147.150.135 15330 - ReqMethod GET - ReqURL /sites/default/files/audio/radio_interviews/20180927-rds-gr_rds_1700-170602593m_1.mp3 - ReqProtocol HTTP/1.1 - ReqHeader Host: www.xxx.it <http://www.xxx.it/> - ReqHeader Connection: keep-alive - ReqHeader Pragma: no-cache - ReqHeader Cache-Control: no-cache - ReqHeader Accept-Encoding: identity;q=1, *;q=0 - ReqHeader User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.119 Safari/537.36 - ReqHeader chrome-proxy: frfr - ReqHeader Accept: */* - ReqHeader Referer: http://www.xxx.it/path/to/url <http://www.xxx.it/path/to/url> - ReqHeader Accept-Language: en-US,en;q=0.9,es;q=0.8,fr;q=0.7,it;q=0.6 - ReqHeader Cookie: SESScookieagreed=2; has_js=1; _ga=GA1.2.950111086.1552579260; _gid=GA1.2.112403313.1552579260; __atuvc=2%7C11; _gat_UA-57096474-1=1 - ReqHeader Range: bytes=0- - ReqHeader X-Forwarded-For: 93.147.150.135 - VCL_call RECV - VCL_acl NO_MATCH allowed_monitors - ReqUnset X-Forwarded-For: 93.147.150.135 - ReqHeader X-Forwarded-For: 93.147.150.135, 93.147.150.135 - ReqURL /sites/default/files/audio/radio_interviews/20180927-rds-gr_rds_1700-170602593m_1.mp3 - ReqHeader x-range: bytes=0- - ReqUnset Cookie: SESScookieagreed=2; has_js=1; _ga=GA1.2.950111086.1552579260; _gid=GA1.2.112403313.1552579260; __atuvc=2%7C11; _gat_UA-57096474-1=1 - VCL_return hash - ReqUnset Accept-Encoding: identity;q=1, *;q=0 - VCL_call HASH - ReqUnset Range: bytes=0- - VCL_return lookup - Hit 229378 - VCL_call HIT - VCL_return fetch - VCL_Error change return(fetch) to return(miss) in vcl_hit{} - VCL_call MISS - VCL_return fetch - Link bereq 1409739 fetch - Timestamp Fetch: 1552587068.542520 0.000523 0.000523 - RespProtocol HTTP/1.1 - RespStatus 200 - RespReason OK - RespHeader Server: nginx/1.11.5 - RespHeader Date: Thu, 14 Mar 2019 18:11:08 GMT - RespHeader Last-Modified: Fri, 28 Sep 2018 08:26:56 GMT - RespHeader ETag: "5bade5d0-a0b94" - RespHeader Content-Type: audio/mpeg - RespHeader Content-Length: 658324 - RespHeader X-Cacheable: YES - RespHeader X-Varnish: 1409738 - RespHeader Age: 0 - RespHeader Via: 1.1 varnish-v4 - VCL_call DELIVER - RespHeader X-Cache: MISS - RespHeader X-Cookie: - RespHeader grace: - RespHeader X-Varnish-Server: www.xxx.it <http://www.xxx.it/> - VCL_return deliver - Timestamp Process: 1552587068.542536 0.000539 0.000016 - RespHeader Accept-Ranges: bytes - Debug "RES_MODE 2" - RespHeader Connection: keep-alive - Debug "Hit idle send timeout, wrote = 247608/658701; retrying" - Debug "Write error, retval = -1, len = 411093, errno = Resource temporarily unavailable" - Timestamp Resp: 1552587188.539239 119.997242 119.996703 - ReqAcct 733 0 733 377 658324 658701 - End I’m not a Varnish “guru”, but it seems that the error is: - Debug "Hit idle send timeout, wrote = 247608/658701; retrying" - Debug "Write error, retval = -1, len = 411093, errno = Resource temporarily unavailable" I search a lot on Google but I didn’t find anything about that, except for a timeout problem that doesn’t seem to me because timeout settings are set to 60s (first_byte), same as Nginx. Any help is really appreciated. If you need some other infos, let me know. Thanks in advance Daniele Daniele Piaggesi Mobile: +39 393 880 78 50 Skype: g0blin79 E-mail: [email protected] ------------------------------------------ Bonsaimeme S.r.l. Via del Porto Fluviale, 9 00154 Roma - Italy Phone: +39 06 98 26 04 39 Fax: +39 06 94 81 02 03 ------------------------------------------- bmeme.com <http://bmeme.com/> *** Prima di stampare, pensa all'ambiente! *** *** Before printing think about environment and costs *** Le informazioni, i dati e le notizie contenute nella presente comunicazione e i relativi allegati sono di natura privata e come tali possono essere riservate e sono, comunque, destinate esclusivamente ai destinatari indicati in epigrafe. La diffusione, distribuzione e/o la copiatura del documento trasmesso da parte di qualsiasi soggetto diverso dal destinatario è proibita, sia ai sensi dell’art. 616 c.p., sia ai sensi del D.Lgs. n. 196/2003. 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