[K12OSN] Quick Question about Swap partitions

Rob Owens rowens at bio-chemvalve.com
Wed Jul 25 14:28:37 UTC 2007

Nils Breunese wrote:
> Op 25-jul-2007, om 15:40 heeft Jim Kronebusch het volgende geschreven:
>> How big should they be?  I have read places that too large of a Swap
>> partition is bad, I
>> have also read that a good rule of thumb is to make your swap
>> partition twice the size
>> of your RAM.  In my case I have 16GB of RAM.  Does that mean I should
>> have 32GB swap
>> partitions?
> That sounds a bit ridiculous. I have a server with 4GB of RAM and
> since we don't have that much users, we have absolutely no need for a
> dedicated swap partition. We never get to 100% RAM usage. I haven't
> even set one up. You can always just create a swapfile on your
> filesystem for emergency (and then get more RAM).
This give me an idea.  Is it possible to tell the system to email you
once it has begun to use swap?  This way you could use a small swap
partition, and when you get an email you might want to consider
purchasing more RAM.


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