[LUG] Swap Space Query

["Brough, Tom" <Tom.Brough@xxxxxxxxxxxxx>]

Does anyone know at what point the Linux Kernel starts using its swap space
?

According to /proc/meminfo I have quite a lot of swap space but none of it
has yet been used ? I thought it was quite common for at least some swap to
be allocated almost immediately upon bootup or is it triggered when real
memory gets to a particular level ?

Kernel is 2.4.7-10 (RedHat 7.2) if this is any help. Real memory is ~ 768Mb
. 

I am just a little bit concerned because we are running an application that
uses resin / java & oracle database (ie intensive memory use all round) all
on the same box and occasionally it freezes everything ( to the point where
you cant login at console) ie Hard Reboot only option :-(.

Tom.

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