From: | Tobias Brox <tobias(at)nordicbet(dot)com> |
---|---|
To: | Tobias Brox <tobias(at)nordicbet(dot)com> |
Cc: | Carlos Henrique Reimer <carlosreimer(at)yahoo(dot)com(dot)br>, pgsql-performance(at)postgresql(dot)org |
Subject: | Re: Swapping |
Date: | 2005-08-31 19:33:17 |
Message-ID: | 20050831193317.GD5736@tobias.lan |
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Thread: | |
Lists: | pgsql-performance |
[Tobias Brox - Wed at 09:22:17PM +0200]
> I'd trust linux to handle swap/cache sensibly. Eventually, become involved
> with kernel hacking ;-)
Of course, there are also some files in /proc/sys/vm that you may want to
peek into, for tuning the swapping. Particularly, at later 2.6-kernels (I'm
running 2.6.12) you have the file /proc/sys/vm/swappiness, where the number
should be some percentage. I'm not completely sure how it works, but I
suppose that the higher you set it, the more likely it is to swap out
memory not beeing used. I think the default setting is probably sane, but
you may want to google a bit about it.
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