Oracle VM 3 has no KSM?

Hi,
I've noticed that OVM3 does not have KSM configured by default (at least I've not seen it by checking it with the standard way) Xen 4 is supporting it. Is there a way to enable KSM on Oracle VM 3?
Thanks in advance,
Marc Caubet

Marc Caubet wrote:
I've noticed that OVM3 does not have KSM configured by default (at least I've not seen it by checking it with the standard way) Xen 4 is supporting it. Is there a way to enable KSM on Oracle VM 3?No. We are targeting the inclusion of Transcendent Memory[1] into Oracle VM 3.0 and Oracle Linux's UEK in favour of KSM. Most of Transcendent Memory is already in the mainline kernel and we're hoping that frontswap will be merged soon as well.
You can test Transcendent Memory now on Oracle VM 3.0 by adding the "tmem" parameter to the Xen line in /boot/grub/grub.conf and to the Kernel line in each of your HVM, HVPVM or PVM Oracle Linux guests running the new UEK2 beta kernel. You can also chose to enable "tmem_compress" or "tmem_dedup" on the Xen command-line for further memory efficiencies.
Note that ovs-agent and the UI are currently completely ignorant of tmem and will always show and use the initial guest memory, not the currently running memory. Also, if you use tmem, ensure that your swap device is at least equal to the amount of RAM in the guest, otherwise the guest may not be able to reclaim memory quick enough when needed.
[1] http://oss.oracle.com/projects/tmem/

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[Step by Step install Oracle on Linux and Automate the installation using Shell Script |http://kamranagayev.wordpress.com/2009/05/01/step-by-step-installing-oracle-database-10g-release-2-on-linux-centos-and-automate-the-installation-using-linux-shell-script/]

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Welcome to the Oracle Forums. Please take a few minutes to review the following:
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<li>Oracle Forums FAQ
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