您应该尽快为交换空间配置专用分区。
You should configure a dedicated partition for swap space as soon as possible.
将交换空间用于临时存储。
所有unix系统都有多种类型的交换空间。
所有unix系统通常都有一个主交换空间分配。
All UNIX systems usually have one allocation of primary swap space.
swap——显示可用的总交换空间。
储存半瞬态数据和提供交换空间的磁盘。
正确配置交换空间可以对计算机效率产生巨大的影响。
Getting your swap space configuration right can make a big difference to the efficiency of your machine.
不同的UNIX变体以不同的方式使用它们的交换空间。
Different UNIX variants use their swap space in different ways.
其中有关交换空间的定期或全面使用情况的信息非常少。
There is little information here on how regularly or extensively your swap space is being used.
在服务器上，至少分配可用RAM的50%作为交换空间。
On a server, allocate at least 50 percent of your available RAM as swap space.
请注意，以这种方式添加的交换空间在重新启动后不会保留。
Note that swap space added in this way will not be retained during a reboot.
许多变体使用这些不同安排的组合来充分利用它们的交换空间。
Many use a combination of these different arrangements to make the best of their swap space.
如果所配置的交换空间小于物理ram，此类转储就无法实现。
If the configured swap space is less than the physical RAM, such dumps are not possible.
一种常见的经验法则是创建与实际RAM大小相同的交换空间。
A once common rule of thumb was to create swap space equivalent to the amount of real RAM.
例如，假设一个内存区当前在交换空间中，而另一个在内存中。
For example, let's say that one area of memory is currently in swap space while another one is in memory.
您在计算机上配置的交换空间量主要取决于应用程序和操作系统。
The amount of swap space that you configure on your machine is largely dependent on the application and operating system.
文件中的交换空间（不是专用交换空间）是另一个示例。
Swap space in a file rather than a dedicated swap partition is another example.
其他变体则对所有非活动的应用程序和未使用的页面使用交换空间。
Others use swap space for all inactive applications and unused pages.
但是，在RHEL4交换空间和AIX的分页空间之间有几点差异。
But there are several differences and nuances between RHEL4 swap space and AIX's paging space.
释放空间使底层操作系统减小对交换空间的许求并且重用内存映射表。
Releasing space allows the underlying operating system to cut down on swap space requirements and reuse memory mapping tables.
除了上述的文件系统使用方法之外，您还需要考虑在磁盘上分配交换空间。
In addition to the filesystem use covered so far, you also need to consider allocating swap space on disk.
系统现在可以全部装入物理内存，而不必借助慢速的基于磁盘的交换空间。
The system is able to fit everything into physical memory without having to resort to slow, disk-based swap space.
以这种方式使用的交换文件通常决不是针对交换空间问题的长期解决方案。
Swap files used in this way are never generally a long-term solution to the problem for swap space.
最简单的调优措施是确保RAM足以容纳应用程序，而不需要使用交换空间。
The simplest is ensuring that you have enough RAM to hold your application without needing to use swap space.
如果这些数值较低，但系统却运行迟缓，那么可能表示存在交换空间的问题。
If the Numbers are low but your system is slow, it might point to a swap space issue.
它所提供的相关信息更像是uptime、交换空间和ps工具的组合。
The information provided is like a combination of the uptime, swap space, and ps tools.
但是您需要确保有足够的真实内存可用，以便操作系统不会开始交换空间。
However you need to ensure that there is enough real memory available so that the operating system won't start swapping.
有些变体保留所有应用程序中的数据副本——同时包括内存和交换空间中的应用程序。
Some keep a copy of the data in all applications — both memory and swap space.
若要永久地将交换空间添加到系统，您必须配置启动配置文件之一来自动启用交换空间分配。
To add the swap space permanently to your system, you must configure one of the boot configuration files to enable the swap allocation automatically.
主交换空间是通常在启动时配置的交换空间，并且通常是作为操作系统安装的一部分来设置的。
The primary swap space is that of which is normally configured during boot time and usually set up as part of the installation of your operating system.
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