Recently I've been using Xen at work. Xen is a virtualising system similar to VMWare ESX
it's goddamn awesome!
basically you can put as many virtual servers as you like on a single server, running on virtual hardware, the speed hit is a MAXIMUM 8%, usually more like 2%
the best bit is, if you are using network/san based storage, you can move a RUNNING virtual server to another physical machine with under 200ms downtime and no interruption in networking.
Full Version: Cool Tech tricks?
QUOTE(Hardware BoB @ Jul 20 2006, 04:57 PM) [snapback]244[/snapback]
basically you can put as many virtual servers as you like on a single server, running on virtual hardware, the speed hit is a MAXIMUM 8%, usually more like 2%
what kind of cpu?
8% on a p2 450? or 8% on a p3 450? (
)or 8% on a quadcore AMD Opteron system?
QUOTE(Daemo @ Jul 20 2006, 05:05 PM) [snapback]245[/snapback]
what kind of cpu?
8% on a p2 450? or 8% on a p3 450? (
)or 8% on a quadcore AMD Opteron system?
8% is 8% you tard
it's overhead on the operations, not generic overhead
QUOTE(Hardware BoB @ Jul 20 2006, 05:08 PM) [snapback]246[/snapback]
8% is 8% you tard
it's overhead on the operations, not generic overheadso you mean that if you run it virtualy on an opteron 250 and run it normaly on an opteron 250 then the virutal process will run 8% slower?
or am i totaly not understanding any of your tricked out technobabble?
like.. can i run 10 virtual servers on a server and have them run just as fast as 10 normal servers (minus the 8%)?
or is all this "within reason" and you cant really run "as many you want" just "as many as your hardware can handle"?
QUOTE(Daemo @ Jul 20 2006, 05:10 PM) [snapback]247[/snapback]
so you mean that if you run it virtualy on an opteron 250 and run it normaly on an opteron 250 then the virutal process will run 8% slower?
or am i totaly not understanding any of your tricked out technobabble?
like.. can i run 10 virtual servers on a server and have them run just as fast as 10 normal servers (minus the 8%)?
or is all this "within reason" and you cant really run "as many you want" just "as many as your hardware can handle"?
within reason you can run as many as you want that your hardware can handle.
if they are running doing nothing they only take up memory, and that can be swapped out.
it's not magic, you don't get more resources than you started with, but you can effectively run different applications in their own vms with very little overhead.
sounds pretty leet. *goes to download*
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