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Date:      Mon, 28 Apr 2003 10:54:48 +0200
From:      Piotr Rybicki <ryba@kompakt.pl>
To:        freebsd-performance@freebsd.org
Subject:   SWAP size
Message-ID:  <200304281054.48976.ryba@kompakt.pl>

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Hi everyone.

In man tuning(7) we read, that swap size should be about 2x main memmory size.
Why swap size should be so big? Isn't swap size equal to main memmory size 
enough?

Ok, if we have a very large amount (and total size) of processes, then larger 
swap could be desired. But i'm afraid we would end-up having swap-machine not 
a server.

Also swap size has no impact on system tables sizes. Assuming we have MAXUSERS 
set to 0 (auto-scale), the value is calculated only by ammount of physical 
memmory size (and of course page size, but i assume it's constant).

Shouldn't the section in man tuning(7) about swap size be changed, or am i 
missing something?

Regards
Piotr Rybicki





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