I stand corrected, it seems that this change is supported.
If you go and check the memory optimisation tab you'll find that it is set to 
"Custom Value"

------------------
Noam Slomianko
Red Hat Enterprise Virtualization, SLA team

----- Original Message -----
From: "Noam Slomianko" <[email protected]>
To: [email protected]
Cc: [email protected]
Sent: Tuesday, October 16, 2012 5:38:51 PM
Subject: Re: [Users] Ovirt Memory Page Sharing or to less memory

Short answer: not really

Long answer: you can go in to the engine DB -> 'vds_groups' (clusters) table 
and change the 'max_vds_memory_over_commit' column to what ever value you like.
Word of caution: This isn't supported, and i cannot guarantee how will the 
Ovirt UI or the Host react to this change

------------------
Noam Slomianko
Red Hat Enterprise Virtualization, SLA team

----- Original Message -----
From: "Mathok" <[email protected]>
To: [email protected]
Sent: Tuesday, October 16, 2012 12:51:05 AM
Subject: [Users] Ovirt Memory Page Sharing or to less memory


Hello, 

I have only 3 host with less amount of memory for test purpose and i like to 
run more vms but i cant start them because they are under the defined memory 
threshold. 

It is possible to increase the level of memory page sharing on a cluster above 
the 200% with a option and start the vms after that change ? or it is possible 
to deactivate the memory threshold with any option? 

regards 
mathok 

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