这个特性是以表空间为单位启用或禁用的,从而可以有效地使DB2中的某些数据使用文件缓存,而另一些数据则绕过文件缓存。
This feature is available on a tablespace-by-tablespace basis, effectively allowing some data in DB2 to use file caching and other data to bypass it.
这个文件定义缓存应该使用哪些区域,以及这些区域的属性或选项。
This file defines which regions your cache should use and the attributes or options of those regions.
如果您的网站上的用户有每个会话的多个页视图,您的页面的许多重复使用相同的脚本和样式表,有缓存的外部文件一更大的潜在好处。
If users on your site have multiple page views per session and many of your pages re-use the same scripts and stylesheets, there is a greater potential benefit from cached external files.
另外,使用外部文件代替内联定义来适应浏览器的缓存机制。
Also, use external files rather than inline definitions to accommodate the browser's caching mechanism.
最有意思的情况是使用SQL精简版数据库文件作为不经常更改的数据的本地缓存。
The most interesting scenario is to use SQL Compact Edition database file as a local cache of data that do not change often.
您可以使用目录文件将所有针对DTD远程副本的请求重定向到本地缓存。
You can use a catalog file to redirect all requests for remote copies of the DTD to the local cache.
在nws在线的情况下从NWS检索预报,在nws不在线的情况下从文件中检索预报,该方法使用高速缓存的州和城市信息以提高性能。
The forecast is retrieved from the NWS if the NWS is online and from a file if it is not online, and the method USES the cached state and city information to improve performance.
这个脚本使用很简单,而且可以缓存归并后的文件,直到这些被归并的文件被修改。
The script is dead easy to use and will cache the collated file for you until you change one of the files included in it.
对于静态内容,由于浏览器可以缓存这些文件,所以使用HTTP压缩可能没什么好处。
HTTP compression of static content, though, may not be as beneficial given that the browser can cache these files.
使用这个命令,您可以将缓存的内容转储到文件中、显示缓存使用情况的统计信息、刷新缓存表,以及更改该守护进程的日志级别。
With this command, you can dump the cache contents to a file, display statistics of cache usage, flush the cache table, and change the logging level of the daemon.
缓存的大小飙升到 501MB,接近我在测试中使用的文件的大小(473 MB)。
The size of the cache grew to 501 MB, roughly the size of the file I used in my test, 473 MB.
主要服务器将使用暂存目录中的文件,并在实际应用或暂存将保存到主要服务器的日志数据缓存之前,应立即识别对它的接收。
Primary in to files in the staging directory. It immediately acknowledges receipt of the log data buffer to the primary before it actually applies or stages it.
使用缓存配置文件的两种方法。
在一般情况下,Linux使用一个文件系统缓存为磁盘请求进行缓冲和读写。
Linux, under normal circumstances, USES a system file cache to buffer, read, and write requests from disk.
回到前面的示例,Oracle使用它自己的缓存,同时使用AIX文件缓存,但是却产生了混淆,所以您希望停止它。
Getting back to the example, Oracle USES its own cache, and using AIX file caching for this purpose only causes confusion, so you want to stop it.
提示:还可以从动态语句缓存或使用其他首选机制手动创建.sql文件。
Hint: you can also manually create an.sql file from your dynamic statement cache or using other preferred mechanisms.
使用GPFSpagepool 可以缓存用户数据和文件系统元数据。
Use GPFS pagepool to cache user data and file system metadata.
回到前面的示例,Oracle使用它自己的缓存,同时使用AIX7文件缓存只会产生混乱,所以希望停止它。
Getting back to the example, Oracle USES its own cache, and using AIX 7 file caching for this purpose only causes confusion, so you want to stop it.
要使用全局方法来启用Web服务调用的缓存配置文件
To enable the cache configuration file for the web service call using the global method
如果web页面引用一个未列入清单的文件,应用程序可能不会缓存,因而就不能脱机使用。
If the web page references an unmanifested file, the application may not be cached for offline use.
将maxperm和maxclient参数更改为100%,以确保VMM在进程中使用尽可能多的内存来控制页面文件的缓存。
Modify the maxperm and maxclient parameters to 100% to make sure that the VMM controls the caching of the page files using as much memory as possible in the process.
访问某台服务器上的邮件文件的所有Web浏览器都使用这组设计元素,这些元素还被缓存在服务器上,以便获得更好的性能。
All the Web browsers accessing mail files on a server use this common set of design elements that are also cached at the server to yield better performance.
在本例中,我们先前检查的ODR的缓存功能,将通过单独使用文件服务Servlet(无需上游内容缓存),为用户提供性能的提升。
In this case, the caching capabilities of the ODR that we examined earlier will provide you with a performance boost over using the file serving servlet alone without an upstream content cache.
如果改变了的内容不是(X)HTML格式(比如图片,Flash,PD F文件被改变了),你不能使用缓存删除工具。
If the changed content is not in (x) HTML (for example if an image, a Flash file or a PDF file has been changed), you won't be able to use the cache removal tool.
在AIXVersion 5.3中,更改lru_file_repage参数是一种更加有效的优化方法,因为您希望不要使用AIX文件缓存。
With AIX Version 5.3, changing the lru_file_repage parameter is a far more effective way of tuning, as you would prefer AIX file caching not be used at all.
您可以在应用程序服务器的属性目录中保存一个全局cachespec . xml,或者使用部署模块放置缓存配置文件。
You can either save a global cachespec.xml in the application server's properties directory, or place the cache configuration file with the deployment module.
本文总结了Linux上与内存的使用和文件缓存相关的一些问题。
This article summarizes issues related to memory utilization and file caching on Linux.
OpenAFS需要高达1GB的大容量客户机缓存,以允许访问经常使用的文件。
OpenAFS requires large client-caching facilities of up to 1 GB to enable accessing frequently used files.
大多数文件系统都通过缓冲区缓存来相互通信,这种缓存通过缓存最近使用的数据来优化对物理设备的访问。
Most of the file systems communicate through a buffer cache, which is a cache that optimizes access to the physical devices by caching recently touched data.
缓存中缓存最近使用的缓冲区(页面),这些缓冲区可以快速提供给各个文件系统。
Instead, the most-recently used buffers (pages) are cached here and can be quickly provided back to the individual file systems.
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