本地磁盘缓存的一些潜在劣势是。
在出现检查点时，就会释放磁盘缓存。
AFS客户磁盘缓存配置。
它既支持本地磁盘缓存，也支持内存中的缓存。
It supports both local disk caching as well as caching in memory.
与NFS相比，本地磁盘缓存的优势总结如下。
The advantages of local disk caching over NFS could be summarized as.
当电源掉电时，磁盘缓存内的所有数据都会丢失。
Any data that is in the drive cache is lost when the power fails.
本地磁盘缓存允许NIM主机不必使用nfs来写入客户机。
Local disk caching allows the NIM master to avoid having to use NFS to write to the client.
虽然在创建P DF时，磁盘缓存减少了内存占用，但是速度变得更慢了。
Disk caching reduces the in-memory footprint while creating a PDF, but is slower.
这两种定义是由于磁盘缓存而存在而产生的，对文件系统的日志有重大影响。
The difference between these two is a result of the drive cache and can have implications for the file system journal.
而且，除了不一致的事务日志，当电源崩溃时你有可能面临磁盘缓存数据的丢失。
In addition, to a corrupted journal, you also run the risk of losing drive cached data in the advent of a power failure.
在每个写测试之后，测试磁盘被卸载，以确保在Linux的磁盘缓存中没有操作。
After each write test, the test disk was unmounted as a way to ensure that no operations remained in Linux's disk cache.
如果此项为空，某些功能将使用内存缓存，多数功能将使用临时的磁盘缓存。
If empty an in-memory cache will be used for some features and a temporary disk cache will be used for others.
请退出安装程序，然后使用磁盘压缩软件来检查压缩卷，或删除磁盘缓存实用程序。
Quit Setup and check your compressed volume with your disk-compression software or removethedisk-cache utility.
在缓存清单中列出的文件存储在应用程序缓存中，类似浏览器的标准磁盘缓存但是更为健壮。
The files listed in the cache manifest get stored in the application cache, which is like the browser's standard disk cache but much more robust.
那么改进的是，利用磁盘缓存来确保在启动时要读取的磁盘上的内存页在我们需要之前已经加载好了。
The fix, then, is for us to take advantage of the disk cache to make sure that the memory pages on disk that we must read at startup have already been loaded before we need them.
利用内容索引表管理所有缓存到磁盘上的媒体数据，完成磁盘缓存数据的存储、读取以及淘汰等功能；
We make use of the data management window to organize the memory-caching pool and complete the data scheduling, storage, transmission functions.
如果请求的变化很大，导致无法有效地使用操作系统的磁盘缓存，那么服务器的磁盘会很忙，到了某种程度之后，就会减慢整个过程。
If the requests are varied enough to make ineffective use of the operating system's disk cache, then the server's disks will become busy and at some point slow the whole process down.
在将OpenAFS客户端配置成进行本地磁盘缓存时，它通常会在标记为 /usr/vice/cache 的目录中存储与缓存相关的数据。
When an OpenAFS client is configured to do local disk caching, it conventionally stores caching-related data in a directory labeled /usr/vice/cache.
特别是Ext4利用日志校验和写屏障来减少由日志或乱序写入磁盘缓存(out -of - orderwritecachingonharddrives)而导致的文件系统数据部一致的概率。
In particular it USES journal check summing and write barriers to help reduce the probability of data corruption from journals and out-of-order write caching on hard drives.
代理服务器可以在内存和磁盘上缓存动态和静态内容。
The proxy server can cache dynamic and static content in memory and on disk.
为日志分配一个具有快速写入缓存的磁盘存储器。
这个方法现在工作得很好；但是，它现在遵循的是标准类装入委托(缓存、双亲、磁盘)。
This method will now work fine; however, it now follows the standard class loading delegation (cache, parent, disk).
该缓冲区缓存原本需要从磁盘读取的JMS消息数据。
This buffer caches JMS message data that may otherwise need to be read from disk.
为了提高性能，JCS在文件磁盘上存储实际缓存数据的同时，会在内存中存储缓存数据键。
To improve performance, JCS stores the cached data keys in memory while storing the actual cached data on the file disk.
减少了磁盘负载是缓存的另一个好处。
This reduced load on the disk is the other benefit of the cache.
磁盘子系统将管理从高速缓存到磁盘的数据复制。
Copying the data from the cache to the disk will be managed by the disk subsystem.
这可能会将缓存涌到磁盘，但这通常并不是我们所希望的，因为在维修期间缓存内容可能过时。
It is possible to flush the cache contents to disk, but this is not generally desired due to the fact that cache contents can become stale during the maintenance window.
我们将在下文介绍，应用程序仅与缓存对话，缓存则与磁盘对话。
As will be discussed later, the application talks only to the cache, and the cache talks to the disk.
这将强迫缓存从磁盘重新加载数据，因此缓存数据的过时不会超过10分钟。
This forces the cache to be reloaded from the disk, and thus the cache will be no more than 10 minutes stale.
这将强迫缓存从磁盘重新加载数据，因此缓存数据的过时不会超过10分钟。
This forces the cache to be reloaded from the disk, and thus the cache will be no more than 10 minutes stale.
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