如何使用 GAE 启用缓存
我想使用谷歌应用程序引擎启用公共缓存。我收到以下响应，开始使用缓存控制时性能显着提高：
HTTP/1.0 200 OK =>
Cache-Control => public,max-age=86400
Content-Type => application/vnd.google-earth.kml+xml
Expires => Thu, 01 Dec 1994 16:00:00 GMT
Date => Sun, 10 Apr 2011 14:32:09 GMT
Server => Google Frontend
我现在如何启用缓存？已经启用了吗？我还需要添加未来过期标头吗？如果是这样，如何设置过期标头？感谢您的任何答复
I want to enable public caching with google app engine. I've got the following response where performance significantly increased when starting to use the Cache-Control:
HTTP/1.0 200 OK =>
Cache-Control => public,max-age=86400
Content-Type => application/vnd.google-earth.kml+xml
Expires => Thu, 01 Dec 1994 16:00:00 GMT
Date => Sun, 10 Apr 2011 14:32:09 GMT
Server => Google Frontend
How can I now enable caching? Is it already enabled? Do I also need to add a future expires header? If so, how do I set the expires header? Thanks for any answer
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是的，这会启用缓存 - 尽管您根本不应该自己设置过期标头，除非它是准确的 - 只需设置 max-age，并让缓存和/或浏览器确定到期日期。
Yes, this enables caching - though you shouldn't be setting an expires header yourself at all unless it's accurate - just set the max-age, and let the caches and/or browser to determine the expiry date.