I've got varnish setup to cache JS inbetween an nginx front-end (gzip
compression only) & an apache2 backed serving content.
On loading my page, here's the LiveHTTPHeader result for one particular file:
https://my.domain.com/srv/js/minified.1273021105.js
GET /srv/js/minified.1273021105.js HTTP/1.1
Host: my.domain.com
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US;
rv:1.9.2.4)
Gecko/20100417
Accept: */*
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 115
Connection: keep-alive
Referer: https://my.domain.com/
> Pragma: no-cache
> Cache-Control: no-cache
HTTP/1.1 200 OK
Server: nginx/0.8.35
Date: Wed, 05 May 2010 01:02:36 GMT
Content-Type: text/x-js
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
Last-Modified: Wed, 05 May 2010 00:58:30 GMT
Etag: "19f3b-c911-485ce530d9980"
> X-Cacheable: NO: !obj.cacheable
X-Varnish: 199766821
Age: 0
Via: 1.1 varnish
X-Cache: MISS
Expires: Sat, 08 May 2010 01:02:36 GMT
Cache-Control: max-age=259200
Content-Encoding: gzip
The three lines I've marked,
> Pragma: no-cache
> Cache-Control: no-cache
> X-Cacheable: NO: !obj.cacheable
Have me confused ... IIUC, and not sure I do, they seem to indicate
the file's NOT being cached.
I'm happy to provide my vcl.conf if helpful/necessary. b4 I go
tromping though it again, can someone clarify what is, in fact,
happening to that file, according to the headers above? I'm clearly
not 'fluent' enough in header-speak, yet ...
Thanks,
Ben
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