Thanks for your support Kevin I have fine tuned cpu.overprovisioning.factor settings to manage my capacity at this movement. I am keen to know is there any other way to display the actual CPU socket count on the ACS infrastructure dashboard ?
Thanks AR On 1 January 2015 at 00:38, Kevin McCormick <kevin.mccorm...@intrinium.com> wrote: > I believe this is an issue with NUMA. I think this is only a display issue > and not actually causing any capacity issues. > > We have this output from virsh nodeinfo on two identical hosts: > CPU model: x86_64 > CPU(s): 16 > CPU frequency: 1600 MHz > CPU socket(s): 2 <-- > Core(s) per socket: 4 > Thread(s) per core: 2 > NUMA cell(s): 1 <-- > Memory size: 74225672 KiB > > CPU model: x86_64 > CPU(s): 16 > CPU frequency: 1600 MHz > CPU socket(s): 1 <-- > Core(s) per socket: 4 > Thread(s) per core: 2 > NUMA cell(s): 2 <-- > Memory size: 74225528 KiB > > The first host is configured with NUMA interleave mode in the system BIOS, > which we've found as a better fit for our workload. That makes it appear as > only a single NUMA cell with two sockets. The second system hasn't been set > to interleave mode, and it's able to see both NUMA cells, each of which has > a single CPU socket. > > Note that in both cases the total number of CPUs is detected correctly, > and I believe that number is what ACS uses for capacity planning. > > Abdul, you may want to look into the cpu.overprovisioning.factor setting. > This is at a cluster-level and affects how much CPU is reserved for an > instance. > > > > > Kevin McCormick > Director of Cloud Services > > > Intrinium > Tel: (509) 465-1234 x7080 > Fax: (866) 565-4578 > Lync / Skype: kevin.mccorm...@intrinium.com > Web: www.intrinium.com > -----Original Message----- > From: Nux! [mailto:n...@li.nux.ro] > Sent: Wednesday, December 31, 2014 03:55 > To: users@cloudstack.apache.org > Subject: Re: CPU socket miss match !!! Urgent > > Yes, I'm also seeing this on DELL PE R720... It seems like a libvirt fail, > try to submit a bug upstream (redhat bugzilla). > > Lucian > > -- > Sent from the Delta quadrant using Borg technology! > > Nux! > www.nux.ro > > ----- Original Message ----- > > From: "Abdul Rasool" <rasool...@gmail.com> > > To: users@cloudstack.apache.org > > Sent: Wednesday, 31 December, 2014 07:49:37 > > Subject: Re: CPU socket miss match !!! Urgent > > > Hi Harikrishna, > > > > Thanks for your reply > > > > Here is the command out put. > > > > root@cloud-node001:~# dmidecode -t 4 |grep Socket > > Socket Designation: CPU1 > > Upgrade: Socket LGA2011 > > Socket Designation: CPU2 > > Upgrade: Socket LGA2011 > > > > > > root@cloud-node001:~# virsh nodeinfo > > CPU model: x86_64 > > CPU(s): 8 > > CPU frequency: 2500 MHz > > CPU socket(s): 1 > > Core(s) per socket: 4 > > Thread(s) per core: 1 > > NUMA cell(s): 2 > > Memory size: 32899468 kB > > > > When I check using dmidecode I am getting actual CPU sockets =2 whereas > > libvirt is picking only one socket. please help me to fix this issue. > > > > Thanks > > AR > > > > > > > > On 31 December 2014 at 11:27, Harikrishna Patnala < > > harikrishna.patn...@citrix.com> wrote: > > > >> Hi, > >> > >> This seems to me like a libvirt issue on KVM. > >> We read the socket count from the parameter ‘sockets’ in NodeInfo on KVM > >> host. > >> Can you check with the command “virsh nodeinfo” ? > >> > >> Thanks, > >> Harikrishna > >> > >> > >> On 31-Dec-2014, at 9:54 am, Abdul Rasool <rasool...@gmail.com<mailto: > >> rasool...@gmail.com>> wrote: > >> > >> Attachment is missing ... added the same. > >> > >> On 31 December 2014 at 09:50, Abdul Rasool <rasool...@gmail.com<mailto: > >> rasool...@gmail.com>> wrote: > >> Hi, > >> > >> In my test / dev environment I have total 2 Dell Poweredge M620 blade > >> servers configured as KVM hypervisor each has physical CPU of 2 sockets, > >> total number of CPU sockets available in my setup is 4 sockets. but in > ACS > >> infrastructure shows only 2 physical sockets. for your reference I have > >> attached my infrastructure screenshot. > >> > >> could you please some one help me why ACS is showing only 2 CPU sockets > >> instead of 4 ? is there any configuration issue from my side. ? right > now > >> this environment is used for our internal development purpose due to CPU > >> mismatch I am not able to add additional guest VM in my infrastructure > it > >> is throwing me insufficient resources.......! > >> > >> [Inline images 1] > >> > >> Regards, > >> AR > >> > >> > >> > > > This email and any files transmitted with it are confidential and intended > solely for the use of the individual or entity to whom they are addressed. > If you have received this email in error please notify the system manager. > This message contains confidential information and is intended only for the > individual named. 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