Re: memory usage - continued - iCache/Dentry cacheing bug???

[John Jasen]

On Wed, 11 Apr 2001, Marcin Kowalski wrote:

> I then do a swapoff /dev/sda3 (250mb used), this completely locks the machine
> for 50 seconds and pushes the load to 31 when I can log back in. Then
> micraculously I am using only 170mb of physical ram. I turn swap back on and
> all is well....
> Can anyone please explain this odd behaviour.. ???
> Below is a free after this whole debacle..:::

another cute way of clearing memory is to do a:

dd if=/dev/hda of=/dev/null bs=<total memory> count=1

this will push some stuff into swap; but ...