如何在GAE中使用python进行缓存控制？ [英] How to use cache-control with python in GAE?

问题描述

我选择是否启用缓存标头以及它将产生的差异。
当前代码是这个，我想知道我是否应该启用缓存以及它将做什么？

I'm choosing whether to enable cache header and what difference it will make. The current code is this and I wonder whether I should enable the caching and what it will do?

#seconds_valid = 8600
#self.response.headers['Cache-Control'] = "public, max-age=%d" % seconds_valid

self.response.headers['Cache-Control'] = 'no-cache'

我可以测试一下，如果我将代码更改为这个

Can I test what the difference is if I change the code to this

seconds_valid = 8600
self.response.headers['Cache-Control'] = "public, max-age=%d" % seconds_valid

我这样做是否正确？当我启用缓存时究竟会发生什么？我仍然可以更新页面吗？

Am I doing it the right way? What exactly is going to happen when I enable the cache? Will I still be able to update the page?

谢谢

推荐答案

还有AppEngine的缓存反向代理/边缘缓存，如果给出，可以拿起 Cache-Control 标头max-age 并设置为 public ，如您的示例所示。边缘缓存是尽力而为，这意味着它不会100％确定它会缓存您的响应。

There is also AppEngine's caching reverse proxy / edge cache which may pick up your Cache-Control header if given a max-age and set to public like in your example. The edge cache is "best effort", meaning it is not 100% certain it will cache your response.

可以找到更多信息此处和此处。

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