Statements that require reads from the disk only, like select, proceed unblocked.
而那些只需要读磁盘的语句，例如select，则不会被阻塞。
Like XFS and Reiser4, ext4fs includes delayed allocation to allocate blocks on the disk only when needed (which reduces fragmentation).
像XFS和Reiser 4一样，ext4fs还支持在必要时采取延时分配方式分配块(这样可以减少磁盘碎片)。
If all the data fits in the cache, then the data is read from disk only once; after that, all requests are satisfied from the cache at memory speed.
如果所有数据都在缓存中，那么只需从磁盘读取一次数据；毕竟，所有的请求都可以用内存速度从缓存中得到满足。
This is possible only because disk drives, while valuable, are small and light and so cost little to ship.
这之所以成为可能，只是因为磁盘驱动器虽然价值高，但体积小、重量轻，因此运输成本低。
Since this simulation is running on a single laptop with only one disk, the performance is outstanding.
由于是在只有一个磁盘的笔记本电脑上进行模拟的，所以性能比较突出。
In this case, we only used one disk, but if you are going to have more than one disk per server, make sure that you have the same amount of disks on each server.
本例中，我们仅仅使用了一个磁盘，但是如果您打算在每台服务器上安装不止一个磁盘，就要确保每台服务器上的磁盘数目相同。
For the DB2 database server, increasing the number of resources affects only the disk usage.
对于DB 2数据库服务器，增加资源的数量只会影响到硬盘的使用情况。
The mobile partition has access to network and disk resources only through virtual adapters.
迁移分区只能通过虚拟适配器访问网络和磁盘资源。
To reduce disk utilisation and improve performance, only define context relationships if needed, that is, when the processing of the events has a dependency on previous or future events.
为了减少磁盘资源争用以改善性能，请仅在必要的时候的定义上下文关系，即事件的处理依赖于之前或之后的事件。
Since the lock is acquired only while flushing data to disk, performance is not extensively affected.
因为仅在将数据刷新到磁盘时获得锁，所以性能并不会受到很大的影响。
Image sizes are smaller thanks to "single instancing," where a file appearing in multiple locations within the hard disk you're imaging is only stored once in the disk image.
镜像尺寸较小感谢“单一实例”，在一个文件中出现的多个地点的硬盘您成像是唯一一次在储存的磁盘映像。
The period over which you record the information is really limited only by the amount of disk space, or storage, that you have available.
实际上，记录这些信息的时间间隔仅受到可用磁盘空间或存储空间的限制。
XFS tries to cache as much data in memory as possible, and generally only writes things out to disk when memory pressure dictates that it do so.
xfs设法在内存中缓存尽可能多的数据，并且，通常仅当内存不足时，才会命令将数据写到磁盘时。
However, reserving free space only trades disk space for time, potentially letting you go longer between REORGs.
尽管如此，保留空闲空间只是以时间换取磁盘空间，可能会让REORG之间耗时更长。
It'll never be as fast to store things in a stable database format on disk as to keep them only in memory, but there's still plenty of room to speed things up.
以稳定数据库格式将数据存储在磁盘上永远都不会像把它们存储在内存中那样快，但存储速度仍然有很大的提升空间。
A floppy disk may be suitable if you only work with very small files, or a USB flash memory key may suffice for medium-sized files, but neither of these is ideal.
如果仅使用非常小的文件，可以使用软盘；对于中等大小的文件，US b闪存盘可能就足够了，但是它们都不是理想的方法。
This is inefficient not only in terms of disk space but also in terms of printer speed (although the actual difference might not be much).
这在磁盘空间利用和打印机速度方面效率都很低(尽管实际的区别可能不太大)。
During an annular eclipse, the moon covers only the central part of the sun's disk, leaving a ring of sunlight still visible.
在日环食发生的时候，月亮仅仅遮挡住了太阳光晕的中间部分，在外侧留下一圈可见的光环。
Only limited disk storage capacity is needed, because only a limited number of online courses will be available in the first phase.
只需要有限的磁盘存储空间，因为第一阶段只有有限的在线课程。
I only have limited disk space, so I wrote a tile server in C++ that would generate tile files on demand, and then cache them.
我的硬盘空间不够用，因此我用C++写了一个贴图服务，可以根据需要生成并存储贴图文件。
The Disk Selection option applies only to automatic partitioning installations; the Custom Disk partitioning option performs manual partitioning.
DiskSelection选项仅应用于自动分区安装；Custom DiskPartitioning选项执行手动分区。
There should be one container per physical disk, only one concurrent updating user per container, and each container should exist in a separate dbspace.
每个物理磁盘应该有一个容器，每个容器上只能有一个并发更新的用户，并且每个容器应该在一个不同的dbspace中。
So, not only do we only have one copy of printf on the disk, we only have one in memory.
所以，我们不但可以在磁盘上只有printf的一个副本，而且在内存中也只需要一个副本。
Only the common external disk is replicated from the primary. After site failover, the process is.
只会从原始位置复制到公共的外部磁盘。
TThe contest machine ran Linux with four CPUs and 3 GB of memory, but only one disk drive.
竞赛机器使用4个CPU和3GB内存运行Linux，但只有一个磁盘驱动器。
To find the disk space being used by a single user, you need to combine du with the find command to only report disk usage for a specific user.
要查找某个用户所使用的磁盘空间，在使用find命令的同时，您需要结合使用du命令以仅报告特定用户的磁盘使用情况。
Jungle Disk not only offers data backup and file synchronization, it provides archiving as well.
JungleDisk不仅提供数据备份和同步，还提供存档功能。
If applicable for a SAN-boot architecture, have your SAN administrator map only the root disk to the server.
如果应用于SAN启动架构，那么让SAN系统管理员只将rootdisk映射到服务器。
While it can take 20-40 ms to get data from a local disk, it takes only 2 ms to get data over a fast network from a nearby machine.
从本地磁盘获取数据需要20 - 40ms，但通过高速网络从邻近机器获取数据只需要2 ms。
Over the last 30 years latency on disk has only improved by a factor 2x, from around 20ms to 10ms.
过去30年间，磁盘延迟只得到了2倍的提升，从20ms减少到了10 ms。
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