Date: Fri, 14 Nov 2014 23:06:22 +0400 From: Mikhail Tsatsenko <m.tsatsenko@gmail.com> To: Peter Ross <Peter.Ross@alumni.tu-berlin.de> Cc: freebsd-virtualization@freebsd.org Subject: Re: VirtualBox performance Message-ID: <CAGK=9AFwODfyVnrLL7v2Lw3KOSzSmZ2h=UAM%2Bco0C_k4NNhgTQ@mail.gmail.com> In-Reply-To: <alpine.LRH.2.11.1411141141150.4767@linux-vic-05.vv.fda> References: <alpine.LRH.2.11.1411141141150.4767@linux-vic-05.vv.fda>
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14.11.2014 4:33 =D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=BE=D0=B2=D0=B0=D1=82=D0= =B5=D0=BB=D1=8C "Peter Ross" <Peter.Ross@alumni.tu-berlin.de> =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB: > > Hi all, > > I am running VirtualBox on a new server (a Dell T620). > > Inside is Oracle Linux. I run a Java app and it is very slow to start. Hi, In order to utilize multiple CPUs inside virtual machine you have to enable io-apic setting. > Memory should not be an issue. I have 32 GB and 8 GB for the VM. > > The server has 2 Xeon CPUs with 4 core each (hypertthreated so VBox sees 16 CPUs). > > I do not see any difference between using 1 CPU or 16 for the VM.. > > Interestingly all the host CPUs are 60-70% in system calls when I run it on 16 CPUs, according to top. > > I am tempted to experiment with CPU sets, btw. > > I wonder whether VirtualBox and multiple CPUs are a good mix at all.. > > Do you have any recommendations how to speed up my VM and Java? > > Thank you > Peter > _______________________________________________ > freebsd-virtualization@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-virtualization > To unsubscribe, send any mail to " freebsd-virtualization-unsubscribe@freebsd.org"
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