2
votes
3answers
365 views

How to troubleshoot performance issues of PHP, MySQL and generic I/O

I have a WordPress based website running on a shared hosting. Its response time is very decent (around 2s to retrieve the HTML page and 5s to load all the resources). I was planning to move it to a ...
3
votes
1answer
2k views

Performance issue of Server 2012 VM on ESXi 5.1 U1

I'm having issues with a VM, as stated in the topic, that runs on ESXi U1, build 1065491. The machine is sluggish and i can't figure out why.. Here's the details. It runs on a Dell T420, has ...
0
votes
2answers
124 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. :) ...
0
votes
1answer
66 views

How big is the performance loss in running a Debian server via VM Workstation under Windows Server 2003 [closed]

I have been using VM Workstation for a while, hobby projects mostly. However, now I'd like to build a drupal-based image DB system, and this legacy Win2003 is the only server available. There are ...
1
vote
2answers
417 views

How does CPU consumption look like from a VM on a heavily use VM Host?

I know I could test this, but I don't have the time right now to setup pristine test conditions to learn something that should be in documented form - and that I cannot find in an authoritative form. ...
6
votes
1answer
208 views

virtual disk image - file or partition

I'm looking at the differences between using a file versus a partition to store a virtual disk image in VM use. The common knowledge is that partition-based images are faster than file-based images ...
11
votes
3answers
4k views

Why VM snapshots are affecting performance?

I read in one of the VMware KB article says that snapshots will directly proportional to VM performance. But my team keep asking me how snapshots can affect performance. I would like to give them ...
-1
votes
4answers
254 views

Does shutdown idle VMs improve the performance?

Often our team members are coming to me with a compliant that their VMs are slow. Our team members suggested to shutdown some of the VMs temporarily and try to access the VM. But most cases that ...
0
votes
1answer
206 views

One VM slowing all others on ESXi

I've been using ESXi server for a while now. It's a pretty strong machine (i7-2600 + 16GB RAM), and I use it to run concurrently 5 VMs (Mostly Windows Server 2008 R2). Most of the times, the VMs run ...
10
votes
3answers
316 views

Application “not supported” in a VM?

We bought some software from a small'ish company, it's a Windows 32-bit video content workflow manager, there's been some customisation by them. We've been working fine for over a year running this ...
0
votes
1answer
374 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 ...
1
vote
2answers
927 views

Is there a disadvantage to running nginx on a VM?

I plan on using nginx to host much of my static content with some minimal php. I'm going to have 2 servers for nginx, but that may be too much hardware for what I need. I'm thinking about dividing ...
0
votes
3answers
377 views

CPU or Memory intensive for running Oracle VM on laptop

Say a 2011 laptop with Windows 7 installed by default, and have Oracle VirtualBox VM running another Ubuntu on it. The spec is like 2nd generation Intel i7, 8G DDR3 DRAM. In this scenario, is CPU, ...
1
vote
4answers
2k views

Possible reasons for high CPU load of taskmgr.exe process on VM?

On a VMware virtual machine which has severe performance problems I can see a constant average of 20+ percent CPU load for the TASKMGR.EXE (task manager) process. The apps running on this server have ...
-1
votes
2answers
122 views

Hard Disk Speed for Virt Laptop [closed]

If I want to run a few dev VMs on a laptop, how fast do my drives realistically need to be? I do not expect lightning fast performance, but the last time I tried this on a Lenovo Thinkpad T400, ...
0
votes
3answers
684 views

Guest ESXi 4 Memory Usage in vSphere Client

one of our VM's is running relatively slowly. it is the only VM running on the ESXi server. In the performance tab the active memory is very low (<1gb), however what is strange is the 'consumed' ...
1
vote
4answers
397 views

How much hosting service is enough for hobby site? [duplicate]

I've decided that it's time to get my own domain where I can nonprofessionally communicate on the web. More or less, I would like to set up a blog on a similar level as Coding Horror, and would ...
3
votes
4answers
6k views

Virtual Machine guest optimization tips

I've installed Windows7 in VirtualBox 2.2.4 and worked like a charm. But compared with my WindowsXP virtual machine, the performance is slow. I've installed Windows7 in (non-virtual) machines and the ...
5
votes
3answers
417 views

Linux Kernel Virtual Machines

I've been running KVM for a few of the management servers at work, I've actually been very happy with it all around, and now want to move to the next phase, and deploy some heavy services ...