Yes, but this way the guests app needs to run on top of the same OS release, which is not good..
On 2/23/12, [email protected] <[email protected]> wrote: > So, you want to install a high-impact application on the OS running on > bare metal, and then run some lighter weight apps within virtual > machines on the same hardware? That is easily done, but can be a bit > cumbersome. > > It might be less complex to just run all your apps on one physical > machine and use control groups to limit the lower impact apps than to > bring up multiple OS instances. > > Thomas > > On 02/23/2012 08:03 AM, hai wu wrote: >> My question was probably not clear, I was asking for app install on >> top of kvm's 'DOM0' physical (not a right word here, similar to xen >> dom0), such as cpu intensive puppet app, then in kvm guest, we could >> put lightweight things like apache, ldap servers, etc.. >> >> >> On 2/23/12, Thomas Cameron<[email protected]> wrote: >>> On 02/23/2012 03:30 AM, hai wu wrote: >>>> This is not about RHEV, just plain KVM. >>>> >>>> Are there any concerns when installing heavy app in RHEL6 KVM physical >>>> host? >>> >>> There are considerations, of course. You can get as granular or as broad >>> with tuning as you like. You can do things like use numactl and cpu >>> pinning and control groups and sriov to really drive as much performance >>> to the VM as possible. You want to do things like use virtio instead IDE >>> for storage and network, things like that. >>> >>> Without more info about what you are going to do, it's really hard to >>> give you a real recommendation. What is the workload you're thinking of >>> virtualizing? >>> >>> I've got one customer who is running numerous Windows 2008R2 machines >>> running workloads from file and print to Exchange to Sharepoint as KVM >>> guests, and it's working just fine. >>> >>> TC >>> >>> _______________________________________________ >>> rhelv6-list mailing list >>> [email protected] >>> https://www.redhat.com/mailman/listinfo/rhelv6-list >>> >> > > > -- > Thomas Cameron, RHCA, RHCSS, RHCDS, RHCVA, RHCX > Chief Architect, Canada and Central US > 512-241-0774 office / 512-585-5631 cell > http://people.redhat.com/tcameron/ > IRC: choirboy / AIM: rhelguy / Yahoo: rhce_guy /Google+ http://ongpl.us/tdc > > _______________________________________________ > rhelv6-list mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/rhelv6-list > -- Sent from my mobile device _______________________________________________ rhelv6-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv6-list
