0
votes
2answers
112 views

Very fast virtual machine rollback [closed]

Summary: Is there a VM that's optimized for fast in-memory rollback to a previous state? I've tried in vain on StackOverflow and SuperUser — maybe this is the right place to ask this question. :) ...
2
votes
2answers
869 views

Quickest way to merge snapshots in VirtualBox

I have vdi with quite a number of snapshots taken from it - say, 50 or 70 snapshots. I want to have one plain vdi with a current state. These snapshots take way too much disk space and are not needed ...
0
votes
1answer
304 views

How to provision hardware for virtualbox? [closed]

In our organisation we are planning to get new machines for developers. The requirements are that the developers should be able to run upto 3 VirtualBox virtual machines in parallel. The usage pattern ...
0
votes
1answer
351 views

Strip down ubuntu server for performance on virtual machine

We use a ubuntu virtual machine for a local development setup which provides a consistent development environment for all developers and lets them use an OS/IDE of their choice for other work. The ...
0
votes
1answer
1k views

Is there any performance data comparing Hyper-V and VirtualBox?

I'm planning to run a few (<10) Windows VM guests on my workstation (HP Z400, Xeon with 8G Ram). I got 2 options, 1. Hyper-V server (free) 2. Windows 7 + VirtualBox Are there any benchmark results ...
3
votes
4answers
2k views

VirtualBox performance degradation when running multiple VMs in parallel

At Travis CI (http://travis-ci.org) we use VirtualBox VMs (through Vagrant) for running tests for the Ruby community. On our worker servers we have up to (up to) N parallel processes running N test ...
3
votes
2answers
259 views

Spreading IO load over physical drives/arrays in VirtualBox VMs

We use VMs with snapshots as part of our support and release testing processes, which makes testing patches to client systems convenient (take snapshot, apply changes, test, revert, lather, rinse, ...
1
vote
3answers
3k views

KVM vs Xen vs Virtual box — Server setup, which is most performant?

Have read quite a few posts/articles on the web, including several QnA threads here at serverfault. However, I am quite confounded by the divergence of opinion. Given that much of what was share was ...
0
votes
1answer
751 views

How to configure VirtualBox server for performance at home

I currently have two physical Ubuntu Server 10.10 servers at home: one serves as our firewall/router/DHCP/VPN server and the other performs double-duty as a file server and a VirtualBox host for an ...
1
vote
1answer
227 views

What may the reason of slowness be (see details in message body)?

I've got a really weird situation I'm beating to solve. A performance problem which looks really like an empty waiting sequence set in code (while it probably isn't so). I've got a pretty powerful ...
2
votes
3answers
172 views

Operating system for optimal performance on x86 (virtualized)

What operating system would achieve the best performance on x86 from within Qemu or Virtualbox? I only need to use a handful of programs regularly: tmux, vi(m), curl, a package manager (mainly to ...
6
votes
3answers
14k views

Xen vs. VirtualBox under heavy load?

Which performs better under heavy CPU and memory usage on the virtual servers, Xen or VirtualBox?