[Madlug] swap file advice

Glenn Holmer gholmer at weycogroup.com
Wed Nov 2 11:32:51 CDT 2011


On Wed, 2011-11-02 at 09:04 -0500, Anthony Hook wrote:

> Disclaimer: This post discusses VMWare lots.
> 
> 
> What are you currently using for your VM hypervisor?  I am taking my
> VCP (VMWare Certified Professional) test next Friday, and am familiar
> with ESX/ESXi (ESXi is the free one, and ESX is all but forlorn
> anyway).  Also, we have a tier 4 datacenter with high-power hosts on a
> fiberchan SAN running VMWare that I take care of.  VMWare and ESXi do
> cool things with swap, and actually stores VM swap in memory instead
> of disk.  It also does memory deduplication, and memory ballooning
> (http://www.usenix.org/event/osdi02/tech/waldspurger/waldspurger_html/node6.html) stuffs for more efficient memory/swap usage.

Sorry, I should have mentioned. We're using kvm/qemu.

-- 
____________________________________________________________
Glenn Holmer                          gholmer at weycogroup.com
Software Engineer                        phone: 414-908-1809
Weyco Group, Inc.                          fax: 414-908-1601



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