On 27-08-15 18:36, Josh Harshman wrote: > In a KVM cluster, CloudStack sees 100% of the compute node's RAM and treats > it as allocatable space which eventually leads to OOM killing guests. > > > There is an agent property named host.reserved.mem.mb which is able to be set > in the agent.properties file and passed to the management server. This value > is stored as dom0MinMem, however, it appears to be ignored. > > > If we could tweak the host capacity calculation and have it take this into > account, I believe that would be ideal. > > > Side note: the variable dom0MinMem is declared as an int and can be > overflowed. Suggested change would be make it a long and add a check > especially if we are going to make this a configurable parameter. > >
Yes, that seems like a sane thing to do. We should be able to say that eg 8GB of memory should stay available for the HV. Don't know where the problem lies though. A PR is welcome :) Wido > > > Josh Harshman > > Cloud Engineer > > > Intrinium > Tel: (509) 465-1234 x5259 > Fax: (866) 565-4578 > Lync / Skype: josh.harsh...@intrinium.com > Web: http://intrinium.com<http://intrinium.com/> > > > [Intrinium Long Sig Logo]<http://intrinium.com/> > > > [Facebook]<http://www.facebook.com/pages/intrinium/154891544582822> [Twitter] > <http://twitter.com/intrinium> [Linkedin] > <http://www.linkedin.com/company/intrinium_networks_it_security?trk=fc_badge> > [Youtube] <http://www.youtube.com/user/intrinium> [Blog] > <http://intrinium.com/blog/> > > Information Security and Compliance Consulting | Managed IT and Security > Services | Cloud Services > > > > > > ________________________________ > > 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. If you are not the named addressee you should not > disseminate, distribute or copy this e-mail. Please notify the sender > immediately by e-mail if you have received this e-mail by mistake and delete > this e-mail from your system. If you are not the intended recipient you are > notified that disclosing, copying, distributing or taking any action in > reliance on the contents of this information is strictly prohibited. >
