0
votes
1answer
58 views

Virtualbox memory usage, Xubuntu Host, Windows 7 x64 guest. Virtualbox 4.3.6

In htop (on the host) under the RES column, the memory usage of the Windows 7 guest is sometimes 500-600MB or even more than the allocated memory. With a Linux guest, it's usually not more than 100MB ...
0
votes
0answers
42 views

how does openvz manage buffer caches?

How is the buffer cache managed in openvz? What happens if a) a guest is low on memory, the host is not. A process allocates an amount of memory. Now something is evicted from the buffer cache on ...
1
vote
1answer
162 views

How to increase video memory for virtual machine?

I have a Linux host running Windows 7 in a Virtualbox guest. I am trying to enable 3D accelerated functionality in Adobe Photoshop CC running on that guest, which requires at least 512MB of VRAM. ...
0
votes
0answers
57 views

Unable to allocate big amounts of memory in several programs

Since a few weeks I'm having weird issues in several RAM Disk utilities and in VMware. Most RAMDisk tools I tried throw me cryptic errors when creating RAM disks larger than 2-3GB and VMware doesn't ...
3
votes
2answers
183 views

What features should I look for when building a Virtual Machine Host? [closed]

I'm planning on building a new PC and as I will be using it mainly for Virtual Machines. I would like information on what components should be focused on the most. I know RAM will need to be higher ...
0
votes
1answer
164 views

Memory allocation in Oracle VirtualBox

I have installed Oracle VirtualBox in my laptop that has 1 GB of RAM. In VirtualBox, I have created two virtual machines with 4 GB of RAM. So my question is: How is it possible to allocate amount of ...
0
votes
0answers
228 views

VMWare Workstation Linux Host performance tuning

I need to improve my linux hosted vmware workstation for using multiple virtual machines at the same time. I feel very stupid I lost a great blog post link which I found last month (and I'm not able ...
0
votes
0answers
405 views

VirtualBox on OSX: host unbearably slow

Even though my mac is quite new and well equipped, using virtualbox slows it down to a crawl. Here's an example: With Virtualbox open, running a Windows XP guest: ➜ uptime 9:19 up 2 days, 17:28, ...
0
votes
0answers
279 views

CentOS 6.4 on Hyper-V memory exhausting issue

I am having an issue where the RAM on the virtualised machine is becoming exhausted after periods of time, the machine itself has 4GB RAM assigned to it and it always seems to be reporting around 15% ...
1
vote
2answers
161 views

How to utilize the unused memory(total memory in machine is 4GB RAM) left by host OS Win XP in my virtual machine

I have a host machine with 4 GB RAM and Win XP Pro 32 bit.Now my host machine is using approximately 1.5 GB of RAM and at max it can use 3.25 GB (approx) RAM. SO I have around 0.75 GB (approx) RAM ...
0
votes
0answers
180 views

memory usage of virtual machine more than setting

host:win7 8GRAM guest:win7 1GRAM I tried both on VirtualBox and vmware when guest stop, the free memory of host is 4G~6G when guest running but "nothing" is working in guest, the free memory ...
1
vote
4answers
2k views

Running multiple VMs with Core i3?

I have a desktop with Core i3 + 8GB. It looks like I need to assign one of my CPU cores to a VM. That means I can only run one VM at a time? Does VM application actually uses a core for each VM ...
4
votes
2answers
521 views

Is there a way to store files in memory?

I have this problem with chrome: Whenever g Google Chrome is open my HDD spins really fast Anyway, after reading this, exerpt: Hi Tim, You can also tell Chrome to use a random folder for the ...
0
votes
2answers
300 views

Linux: Low memory GNOME distro or VM that takes up < 600 MB total disk space on VM?

I'm trying to get the Hamster time tracking Gnome applet working on OS X using seamless mode. I'm presuming with Gnome I can create a Gnome panel, with just the Hamster time tracker applet in it, ...
4
votes
2answers
567 views

OS 10.7 Lion a resource hog? Help on RAM issues

I just purchased a new Macbook Pro to replace my aging 2006 model. I am running Lion with the latest updates, I have a 2ghz i7 processor with 4gigs of RAM. I need this machine to do .Net ...
1
vote
6answers
1k views

Will a Virtual Machine home web server be noticeably slower? Why or why not?

I am thinking about moving my server to a virtual machine on my Windows 7, so I dont have to use Linux. IS this a good idea? Why or why not? My major concern is that speeds will slow down. I have 5GB ...
1
vote
2answers
409 views

Running Windows 7 within Linux w 4GB RAM - bad idea?

I am fairly new to Linux, and have only tried Ubuntu sporadically over the years since it was first released. I just bought a new laptop with a quad-core i3 processor and 4GB RAM. I need Windows 7 ...
0
votes
4answers
8k views

Why is my virtual machine not using all the memory allocated to it? [duplicate]

Possible Duplicate: Memory sticks, 32 and 64 Bit OS I have a VMWare virtual machine on my computer (Host: Win7 x64, VM: Win7 x86). The host has 8GB, of which I've allocated 4GB to the VM, ...
2
votes
1answer
114 views

Optimizing memory usage across multiple similar VMs

Let's say I have four VM's open, each running an identical version of Windows. Under my current setup, the guest OS will be loaded into memory four times. Much of that is wasted space. Using any VM ...
19
votes
7answers
25k views

How does VirtualBox's memory usage work?

I've been running several VM's with VirtualBox, and the memory usage reported from various perspectives, and I'm having trouble figuring how much memory my VMs actually use. Here is an example: I ...
20
votes
4answers
1k views

How can virtual machines consume so little RAM on the physical host machine?

I'm running VirtualBox on a Windows XP machine with 2GB RAM. I've created a virtual Ubuntu machine and allocated it a base memory of 750MB. Just to put it to a test, I ran 20 things at once on the ...