[Tilecache] ETag/Last-Modified or mod_expires
adube at mapgears.com
Thu Nov 5 15:56:18 EST 2009
Thanks a lot for taking the time to answer me.
I'm currently trying the "curl" command with the different
possibilities you proposed but none of them showed the "Expires" tag...
still scratching my head...
Mark Deneen wrote:
> #curl -I http://www.example.com/some/url
> HTTP/1.1 200 OK
> Content-Type: image/png
> Expires: Wed, 12 May 2010 07:36:42 GMT
> Content-Length: 18154
> Date: Thu, 05 Nov 2009 19:36:42 GMT
> Server: lighttpd/1.4.23
> Here, you can see the expires tag is set. To know if X-SendFile is
> active is a little harder, as the headers sent to the browser will not
> indicate anything because the SendFile magic happens between TileCache
> and the web server.
> If you have SendFile enabled in TileCache, you can try disabling
> SendFile in Apache, and see what happens. If Apache support is
> disabled, I believe you should see the X-SendFile header in the response
> because Apache does not handle it.
> You may need both
> XSendFile on
> XSendFileAllowAbove on
> in your apache configuration.
More information about the Tilecache