You need to explicitly specify the expiration date in app.yaml like this: - url: /images static_dir: images expiration: 10d
If you are already using firebug, I strongly recommend YSlow (a firebug extension), which will tell you which files are missing expire headers. Satoshi On Feb 18, 4:41 pm, Anekdotz <[email protected]> wrote: > I've been using firebug and it seems to be setting the cache headers > correctly (firefox doesn't re-download static files each time). I > guess it's just a problem I have to deal with. I think you're right > about the load-tester not using headers, so maybe it won't be as big a > problem as I thought. > > One more thing though.. In the appengine dashboard the static requests > claim to be consuming 0kb, even when I clear my browser's cache. Yet > these requests seem to be counting against the quota.. Does it just > report it incorrectly? > > Thanks again.. > > On Feb 18, 5:49 pm, Locke <[email protected]> wrote: > > > > > Just use the "Live HTTP headers" Firefox add-on. Look for HTTP code > > "304 Not Modified" after refreshing a page. If you don't see it, your > > cache headers aren't being set properly. > > > It could be the case that your load-tester is not obeying HTTP or not > > providing accurate simulations of real-world scenarios. Even if you > > have lots of hits, many of them will be repeat hits from users who > > already have your static content cached locally. > > > On Feb 18, 5:34 pm, Anekdotz <[email protected]> wrote: > > > > From reading other threads I was under the impression that AppEngine > > > sets cache headers automatically if you define static directories in > > > app.yaml.. Am I misinformed? > > > > Arjun > > > > On Feb 18, 2:59 pm, "Ikai L (Google)" <[email protected]> wrote: > > > > > Do you have cache headers for your assets? This'll cause browsers not > > > > to try > > > > to redownload them for repeat visitors - this is a good practice in > > > > general > > > > for fast websites. > > > > > On Wed, Feb 17, 2010 at 7:11 PM, Anekdotz <[email protected]> > > > > wrote: > > > > > I recently stress tested my app with some troublesome results. While > > > > > the CPU, Datastore and Memcache quotas were barely consumed, my > > > > > Outgoing Bandwidth quota was used approximately 30 times as much. > > > > > I.e. for usage of 1% CPU I had used 28% of my bandwidth quota. > > > > > > The vast majority of the bandwidth was used for static files (image/ > > > > > css/javascript). I've heavily optimized most operations so this is > > > > > kind of annoying. Also, since my app does not store large files for > > > > > download, I feel like I'm "wasting" this resource with respect to the > > > > > others. > > > > > > I'm thinking of moving these files to another location, like storing > > > > > them on google sites or google code. Since these aren't optimized for > > > > > serving files I would like to use appengine to serve them until the > > > > > bandwidth quota is getting close to depleted and then dynamically > > > > > switching to the external services. For this I would need to > > > > > programmatically determine how much bandwidth is being used, but > > > > > unfortunately the Quota API seems to only provide CPU usage. > > > > > > Does anyone know of a way to do this? Or if you have any better ideas > > > > > on preserving bandwidth with respect to the other resources, I'm all > > > > > ears. > > > > > > Thanks, > > > > > Arjun > > > > > > -- > > > > > You received this message because you are subscribed to the Google > > > > > Groups > > > > > "Google App Engine" group. > > > > > To post to this group, send email to > > > > > [email protected]. > > > > > To unsubscribe from this group, send email to > > > > > [email protected]<google-appengine%2Bunsubscrib > > > > > [email protected]> > > > > > . > > > > > For more options, visit this group at > > > > >http://groups.google.com/group/google-appengine?hl=en. > > > > > -- > > > > Ikai Lan > > > > Developer Programs Engineer, Google App > > > > Enginehttp://googleappengine.blogspot.com|http://twitter.com/app_engine -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
