Varnish with squid backend
Indranil Chakravorty
indranilc at rediff-inc.com
Fri Feb 25 13:08:07 CET 2011
Hi, I am using squid for byte range support for playing videos.My initial lands up on varnish and then I send a call to squid which acts as myorigin for content delivery. I am getting below errors every time I try to callsquid and serve that file. 13 TxHeader c Expires:Wed, 22 Feb 2012 03:26:22 GMT 13 TxHeader cX-SO-Time: Tue Feb 22 8:56:22 IST 2011 13 TxHeader cContent-Type: video/flv 13 TxHeader cLast-Modified: Fri, 25 Feb 2011 11:30:20 GMT 13 TxHeader cCache-Control: max-age=31536000 13 TxHeader cContent-Length: 76445689 13 TxHeader c Date: Fri,25 Feb 2011 11:30:29 GMT 13 TxHeader cConnection: keep-alive 13 TxHeader c X-Cache:TCP_MISS 13Debug c "Write error, len =68400/76446042, errno = Success" Analysis: Session traced from Client to Varnish to squid and back. Client à varnish à squid then Squid à varnish à client Everything goes well. Squid sends complete data tovarnish but it inturn does not return it back to client which is holding thesession. I tried modifying some parameters Param Default Modified fetch_chunksize 128 [kilobytes] 512send_timeout 600 [seconds] 1800sess_timeout 5 [seconds] 600between_bytes_timeout 60.000000 [s] 120 But did not succeed; is there anything which makes varnishirresponsive; since the second request where varnish has cached that data iswell responded. Is there any way where I can make this work on firstrequest? Regards, Anand
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