Hi Gonzo, If you have a lot of authenticated users the difference you are seeing is probably in the cached authenticated requests.
>From http://www.mnot.net/cache_docs/: > My pages are password-protected; how do proxy caches deal with them? > By default, pages protected with HTTP authentication are considered private; > they will not be kept by shared caches. However, you can make authenticated > pages public with a Cache-Control: public header; HTTP 1.1-compliant caches > will then allow them to be cached. > If you’d like such pages to be cacheable, but still authenticated for every > user, combine the Cache-Control: public and no-cache headers. This tells the > cache that it must submit the new client’s authentication information to the > origin server before releasing the representation from the cache. This would > look like: > Cache-Control: public, no-cache > Whether or not this is done, it’s best to minimize use of authentication; for > example, if your images are not sensitive, put them in a separate directory > and configure your server not to force authentication for it. That way, those > images will be naturally cacheable. On Dec 6, 4:19 pm, GONZO <[email protected]> wrote: > Hi, first thanks for your attention and sorry for my English > translation. > > I have a question that intrigues me a few weeks. This is the header > "cache-control" in particular the behavior of the options "private" > and "public" in Google App Engine. > > First of all, this is only to serve static files (css, js, etc) > > Let's go. With "cache-control: private" experiment curve normal > traffic. But with "cache-control: public" experiment Traffic > incredible savings. In both cases, everything seems to work well. > > The question is: > > 1. How can traffic be a big savings? Is reduced to 15%. > > 2. Saving you a real traffic? Or is something special instead of > Google App Engine? > > Better look at this diagram > illustrates:http://gonzo.teoriza.com/almacen/cache-control.jpg > > Thanks in advance, I hope to be clarified. -- 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.
