I also imagine that the the infrastructure for blobstore api is distributed, etc, etc, and that intermediate proxy caches are are better tuned to the etag, etc, etc it does. Objects in the blobstore are inmutable so I'm not sure why I get the following expires headers (for tomorrow) with a test image below. Note that the 304 status code was nicely returned.
Anyhow, with the static serving you have to explicitly put your expiration policy in yaml. I will the documentation where more clear (and more assertive) about the blobstore api. Some spots in app engine get little love, email api being another (it's very flaky, prone to errors). Now, with the quota reduction makes me wonder if it's worth the trouble to use an external mail server, I think so :-( 1. Request URL: http://lh4.ggpht.com/O9EJJF2UKj4th8hDYoU7_Ew6MTtqw_Ngvbk-mZ6d7gn90pcVD1aylNOu_Icj_0ccEmSCseVuE0Qu94iQ7R8PSx2-=s580 2. Request Method: GET 3. Status Code: 304 Not Modified 4. Request Headersview source 1. Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 2. Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3 3. Accept-Encoding: gzip,deflate,sdch 4. Accept-Language: en-US,en;q=0.8 5. Cache-Control: max-age=0 6. Connection: keep-alive 7. Host: lh4.ggpht.com 8. If-None-Match: "v1" 9. User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_1) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/13.0.782.220 Safari/535.1 5. Response Headersview source 1. Age: 162 2. Date: Fri, 09 Sep 2011 18:56:10 GMT 3. ETag: "v1" 4. Expires: Sat, 10 Sep 2011 18:56:10 GMT 5. Server: GFE/2.0 h -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/8J1Je402BusJ. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
