Re: IOPS and CPU cycles, what is the relationship between the two?

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Thank Oliver,

Well considering that TCP-Offloading do exists on the NIC hardware then it's down to a bit less.
Now the controller is the basic limit.

I know I want to learn system engineering :D
I am a SysAdmin for about 8 years now and it's interesting enough to make me think about all sorts of questions which do not have a very accurate answer even about the basic calculations.

All The Bests,
Eliezer

On 09/08/2014 03:27 AM, Oliver Schad wrote:
Take a look at the main board and the CPU where the connections between
IO (disk, network) and CPU are. They all have a specific bandwith.

Additionally you have max IOPS on your local discs, max IOPS on your
storage controller. You have to find the bottle neck yourselfs.

>There sure to be taken in account the Network traffic IOPS and also
>the whole network handling code using up cycles etc.
Handling the protocol layer may fill a CPU but TCP-Offloading exists to
make that better. What you want to do is to learn system
engineering.;-)

Best Regards
Oli

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