<div dir="ltr">Hi Doron,<div><br></div><div>Yes.. HT Flag already enabled in my cluster policy...</div><div><br></div><div>Thanks,</div><div>Punit</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Oct 22, 2014 at 4:04 PM, Doron Fediuck <span dir="ltr"><<a href="mailto:dfediuck@redhat.com" target="_blank">dfediuck@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class=""><br>
<br>
----- Original Message -----<br>
> From: "Punit Dambiwal" <<a href="mailto:hypunit@gmail.com">hypunit@gmail.com</a>><br>
> To: "Doron Fediuck" <<a href="mailto:dfediuck@redhat.com">dfediuck@redhat.com</a>><br>
</span><span class="">> Sent: Wednesday, October 22, 2014 4:19:56 AM<br>
> Subject: Re: [ovirt-users] Guest VM Running 160 RCU Processes<br>
><br>
</span><span class="">> Hi Darrell,<br>
><br>
> I haven't open a BZ for the same...please let me know how i can open BZ ??<br>
><br>
> Doron@ yes i am referring the "MaxNumOfVmCpus"...as my host machine has 10<br>
> CPU with HT so totally 20cpus...thats' why i modify this setting with<br>
> MaxNumOfVmCpus=20...as<br>
> i can not assign 160 Vcpus as my host has 20 only....<br>
><br>
> Thanks,<br>
> Punit<br>
><br>
<br>
</span>Punit,<br>
did you set the HT flag in the cluster policy?<br>
See: <a href="http://www.ovirt.org/OVirt_Administration_Guide#Optimization_Settings_Explained" target="_blank">http://www.ovirt.org/OVirt_Administration_Guide#Optimization_Settings_Explained</a><br>
You should set "Count Threads As Cores" or the engine will ignore your threads.<br>
<div class="HOEnZb"><div class="h5"><br>
> On Wed, Oct 22, 2014 at 12:29 AM, Doron Fediuck <<a href="mailto:dfediuck@redhat.com">dfediuck@redhat.com</a>> wrote:<br>
><br>
> > Hi Punit,<br>
> > are you referring to MaxNumOfVmCpus?<br>
> > If so I do not see how this will have an effect other than not allowing<br>
> > you to run VMs with too many CPUs.<br>
> ><br>
> > ----- Original Message -----<br>
> > > From: "Punit Dambiwal" <<a href="mailto:hypunit@gmail.com">hypunit@gmail.com</a>><br>
> > > To: "Doron Fediuck" <<a href="mailto:dfediuck@redhat.com">dfediuck@redhat.com</a>><br>
> > > Sent: Tuesday, October 21, 2014 5:24:02 AM<br>
> > > Subject: Re: [ovirt-users] Guest VM Running 160 RCU Processes<br>
> > ><br>
> > > Hi Doron,<br>
> > ><br>
> > > I solved the issue with lower down the max vcpu setting in the<br>
> > > engine-config...<br>
> > ><br>
> > > Thanks,<br>
> > > Punit<br>
> > ><br>
> > > On Mon, Oct 20, 2014 at 8:34 PM, Doron Fediuck <<a href="mailto:dfediuck@redhat.com">dfediuck@redhat.com</a>><br>
> > wrote:<br>
> > ><br>
> > > ><br>
> > > ><br>
> > > > ----- Original Message -----<br>
> > > > > From: "Punit Dambiwal" <<a href="mailto:hypunit@gmail.com">hypunit@gmail.com</a>><br>
> > > > > To: <a href="mailto:users@ovirt.org">users@ovirt.org</a>, "Dan Kenigsberg" <<a href="mailto:danken@redhat.com">danken@redhat.com</a>>, "Itamar<br>
> > > > Heim" <<a href="mailto:iheim@redhat.com">iheim@redhat.com</a>>, <a href="mailto:ahadas@redhat.com">ahadas@redhat.com</a><br>
> > > > > Sent: Monday, October 20, 2014 5:58:20 AM<br>
> > > > > Subject: Re: [ovirt-users] Guest VM Running 160 RCU Processes<br>
> > > > ><br>
> > > > > Hi,<br>
> > > > ><br>
> > > > > Is there any body suggest me good way to handle it....??<br>
> > > > ><br>
> > > > > On Fri, Oct 17, 2014 at 3:15 PM, Punit Dambiwal < <a href="mailto:hypunit@gmail.com">hypunit@gmail.com</a><br>
> > ><br>
> > > > wrote:<br>
> > > > ><br>
> > > > ><br>
> > > > ><br>
> > > > > Hi,<br>
> > > > ><br>
> > > > > I have one Ovirt cluster and under this cluster all the guest<br>
> > machines<br>
> > > > (such<br>
> > > > > as centos,ubuntu,debian etc) almost 160 RCU processes running....<br>
> > > > ><br>
> > > > > i searched on google about the RCU (It's kernel process<br>
> > > > "read-copy-upate")<br>
> > > > ><br>
> > > > > <a href="http://lwn.net/Articles/518953/" target="_blank">http://lwn.net/Articles/518953/</a><br>
> > > > ><br>
> > > > > I want to know how i can modify this 160 processes to 10-20 or how i<br>
> > can<br>
> > > > to<br>
> > > > > disable it....is there any bed impact if i disable it....<br>
> > > > ><br>
> > > > > Thanks,<br>
> > > > > Punit<br>
> > > > ><br>
> > > > ><br>
> > > ><br>
> > > > Hi Punit,<br>
> > > > we need to do a bit of a research on this one.<br>
> > > > In order to make sure we keep track of it, do you mind opening an RFE<br>
> > (BZ)<br>
> > > > with all the relevant details, including the hardware that you're<br>
> > using,<br>
> > > > guests config, how busy the guests/host are, Which hypervisor is used<br>
> > and<br>
> > > > the versions.<br>
> > > ><br>
> > > > Thanks,<br>
> > > > Doron<br>
> > > ><br>
> > ><br>
> ><br>
><br>
</div></div></blockquote></div><br></div>