Qmaster

[Rafael Amador]

[Jesse Austin] “Can I use Apple Qmaster to utilize all 12 cores using just this one computer and if so how do I set this up for the best results?”
Yes for some some applications like Compressor or SHAKE.
No for FC.
In the QMaster Preference panel, set a Quick Cluster with 12 instances and check “Sharing”.
rafael

http://www.nagavideo.com

[Joel Hufford]

Hi Jess,
You should know that Apple does not recommend utilizing all of the available cores in your machine for Qmaster.

The two prevailing schools of thought are:

Total Number of Cores -1 (11 for you)

or

1 Core per GB of RAM

The reason for this is that the computer still needs some headroom to handle background and system processing.

Hope that helps.

joel
Corporate and Special Event Staging Services
http://www.pacificstaging.com

[Jesse Austin]

Hey Joel,

Thanks for getting back to me, sorry for the long reply back.

So see if I got this straight, it’s a 12 core machine(12 instances???) I set the “Share this computer as” to “QuickCluster with services” check the “Services” to share and managed. Then the “Options for selected services” to 11 Instances. Then I should be go to go?

Thanks for any more help…

Jess

[Joel Hufford]

Hey Jess,

Yep, sounds like you’ve got it right! When submitting your Compressor job, just select the VirtualCluster you created in the Cluster drop down box.

Also, remember that another guideline Apple suggests when setting up VirtualClusters is to create a single instance for ever gigabyte of RAM in your machine. So if you have any issues with the 11 instance setup, try scaling back using that number of instances. Compressor and QMaster can be a bit touchy!

Good luck!

joel
Corporate and Special Event Staging Services
http://www.pacificstaging.com