Comments on: Virtual servers and false alarms http://chrisadams.me.uk/2009/08/06/virtual-servers-false-alarms/ Hoping to think more clearly, through thinking out loud Tue, 24 Aug 2010 00:07:03 +0000 hourly 1 By: Jonathan Melhuish http://chrisadams.me.uk/2009/08/06/virtual-servers-false-alarms/comment-page-1/#comment-302 Jonathan Melhuish Fri, 15 Jan 2010 13:11:29 +0000 http://chrisadams.me.uk/?p=187#comment-302 <p>Yup, that is a bit confusing. Linux tends to cache files in the spare RAM, so it fills up quickly - but it's not really "full". Our VPS has been falling over ocassionally due to a lack of RAM, I think because Apache was starting too many server processes.. but I'm still not entirely convinced I got to the bottom of it.</p> <p>My hosting provider has a HOWTO page on this which I found useful: http://rimuhosting.com/howto/memory.jsp</p> Yup, that is a bit confusing. Linux tends to cache files in the spare RAM, so it fills up quickly – but it’s not really “full”. Our VPS has been falling over ocassionally due to a lack of RAM, I think because Apache was starting too many server processes.. but I’m still not entirely convinced I got to the bottom of it.

My hosting provider has a HOWTO page on this which I found useful: http://rimuhosting.com/howto/memory.jsp

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