The "swap" field should be zero — if it is not, then the operating system is simulating the presence of more RAM by using disk space, which is of course a slow process.

“交换”域应该为零——如果不是，则操作系统正在通过磁盘空间模拟有更多的RAM的情况，这当然是一个很慢的过程。

youdao

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.

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。

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The reason I recommended add-on software for Windows XP is that I consider XP's built-in search to be slow and inferior to those in these two newer operating systems.

我为Windows XP推荐插件的原因是，我觉得XP的内置搜索速度太慢，功能也不及上述两种新的操作系统自带的搜索。

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"We are operating, but it's slow-going through Chicago right now, " he said.

CNN: Flash flooding bears down on Chicago

The device's novel tablet controller stayed judgment for a short time, but it didn't last long -- a weak launch lineup, a slow operating system and software delays soured an already judgmental community.

ENGADGET

At the current rate of decline it will slow to a trickle within the next two to three years--right around the time Armstrong says operating income will start growing.

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