0
votes
1answer
247 views

Centos running very slow in Virtualbox

I am running Centos 7 in Virtualbox 4.3.14. The VM is configured with 2 CPUs 4 GB RAM 3.10.0-123.4.4.el7.x86_64 kernel The host machine is running Windows 7 Pro SP1 64-bit Intel i7-4790 CPU, ...
0
votes
0answers
40 views

Vagrant vbox 45-50% CPU usage

I am running a headless Ubuntu server box on my Windows 7 64 bit PC with Vagrant. My PC has 8 GB ram and Intel Dual Core 3.16Ghz E8500 processor and PAE. The problem is that VBox routinely uses btw ...
2
votes
1answer
176 views

'top' output baffles me

top - 18:22:21 up 98 days, 23:26, 4 users, load average: 2.73, 2.85, 2.60 Tasks: 210 total, 1 running, 209 sleeping, 0 stopped, 0 zombie Cpu(s): 3.6%us, 2.5%sy, 0.0%ni, 87.7%id, 5.1%wa, ...
1
vote
0answers
529 views

Virtualized guest vs host CPU usage

I am using qemu with kvm as my hypervisor. I am running a gentoo guest on an ubuntu host. The guest is being given a single processor. When I run a compute intensive job (say empty-loop) I get almost ...
1
vote
1answer
316 views

Tool for monitoring a virtual machine remotely

We are running VirtualBox and phpVirtualBox for a few test servers, recently we have had stability problems on some of them, does anyone know of any remote monitoring tool (open source/free prefered) ...
3
votes
1answer
329 views

Assigning CPU cores to virtual machines

VMPlayer lets you select how many CPU cores to assign to the virtual machine. I changed it from one to two. Does that mean that those two cores will be used exclusively by the VM?
7
votes
4answers
2k views

why does Virtualbox use 15-20% CPU when VM is paused?

I run VirtualBox 3.1 on Ubuntu with a Win XP guest. I have noticed to my surprise that when I pause the VM (its screen grays out) VirtualBox continues using 15-20% of the host's CPU. Is this normal ...