My virtual machine environment is advised by Oracle to use traditional huge pages and turn off transparent huge pages.
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At the same time, I have three choices on the KVM server:
first, use the transparent huge page as the system default;
second, use the traditional huge page as the VIRTUAL machine;
third, disable the transparent huge page without activating the traditional huge page.
I'd like to know if there is a recommendation order for these three plans？
Because I feel that the amount of memory managed and used by the phisical machine is much larger than that of the virtrual machine, if large pages are not enabled on physical machines, will it be effective to enable large pages on virtual machines?
Even it's possible to set traditional huge pages on virtual machines on this condation, but I'm not sure it will work as expected.
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-------- 原始邮件 --------
发件人： Strahil Nikolov <[email protected]>
日期： 2021年10月3日周日 17:05
收件人： [email protected], Strahil Nikolov via Users <[email protected]>
抄送： Simon Coter <[email protected]>
主 题： Re: [ovirt-users]Re: 回复：Re: 回复： Re: About the vm memory limit
For 4.3 - yes. This is due to the issues in 4.3Once you move to 4.4 , you should be able to enable HugePages (not THP) on the Hypervisors without troubles.I assume that your workload is 'in production' and stability (no downtime) is more important that some performance gain from HugePages on the Hypervisors.@Simon,any hints when OLVM 4.4 will be released ?Best Regards,Strahil Nikolov
On Sun, Oct 3, 2021 at 6:29, tommy sway<[email protected]> wrote:_______________________________________________https://lists.ovirt.org/archives/list/[email protected]/message/KLHJDZMPLKPPXABYSP55DA472UPCKCDO/
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