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only that. External drivers is too slow
maybe exist another way to increase the virtual memory with a best performance!
What servers use?

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Please reword your question. – RJFalconer Dec 31 '09 at 15:16
I beg your pardon? – Phoshi Dec 31 '09 at 15:20
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2 Answers

It sounds like you're asking how to improve the speed of your virtual memory (or swap, depending on what lingo you like).

There is one answer: A fast storage medium. A fast HDD, or an SSD, will get better performance. Many servers use RAID arrays, where many HDDs are "merged" together for increased speed/reliability (or both).

Ultimately, if you're actively trying to improve your virtual memory speed, you're going about this wrong. Make it so you use less - buy more RAM. It's cheaper, and more effective. If you're dead set on getting great performance, buy a small, blisteringly fast SSD, and use it for ONLY swap - but short of a RAID-0 SSD array, you're not getting faster than that. Nor do you need to.

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I'm not entirely sure what you're asking, but I believe you want to know what servers use to increase swap performance. The answer to that is they add more RAM.

If you are trying to tweak swap performance, you should really be eliminating the swapping either through adding more RAM or reducing the memory footprint of running applications.

Any money you invest in optimizing swap speed is much better spent on more RAM.

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