测试openjpa，无缓存。
My third implementation used a service locator with no cache.
我的第三个实现使用没有缓存的服务定位器。
Caching in this case is worse than useless; because it costs more to put data in the cache to begin with, this sort of application would perform poorer overall than with no cache at all.
在这种情况下，缓存不但没有帮助，反而会更糟；因为它将数据放入缓存需要更多的开销，与没有缓存的情况相比，这种应用程序的性能更加糟糕。
Out of the box, varnishd does not cache a response with a cookie, nor does it honor the Cache-Control directives private and no-cache.
默认情况下，varnishd既不缓存带有cookie的响应，也不遵守cache - Control指令private和no - cache。
To stop the Web server from caching your graphs, use the appropriate HTML META tags (for example, the 'no-cache' statement) in your scripts.
要想禁止Web服务器缓存图形，应该在脚本中使用适当的HTMLMETA标记(例如‘no -cache’语句)。
The web server should serve the manifest file with no-cache response headers.
web服务器应当在不带缓存响应头的情况下为清单文件提供服务。
The web server should serve the manifest file with no-cache response headers.
web服务器应当在不带缓存响应头的情况下为清单文件提供服务。
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