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Which VPS platform would you recommend?

Posted by emilfalcon, 02-07-2011, 05:44 PM
Hi, I am evaluating various VPS platforms and would like to open a discussion on what combination of host OS and virtualization application you would recommend for best "value" (performance vs cost). We are considering running Ubuntu as guest OS with Virtualbox, but am also open to other combinations, such as CentOS with Xen. I have had bad experiences with OpenVZ so would like to stay away from that (I need full virtualization, allowing me to run guest systems on different OSes without worrying about surcharges). Guest machines will be primarily running shared hosting environments with CentOs/CloudLinux and CPanel VPS, and something around 8 gigs burstable RAM per machine. I am looking at running between 1-3 VPSes per server (so not many), but that number should be flexible based on usage. These are high-availability environments, so reliability and uptime are important. Portability and scalability are also important. Speed is also crucial, so ideally I would hope that the virtualization overhead would not result in more than a 15-20% performance hit. All feedback welcome! Thanks, Emil

Posted by RS-Kevin, 02-09-2011, 09:01 AM
Well.. looking at your requirements , you should go for cloud solution or clustered solution that might fit the requirements you are looking for

Posted by Squidix - SamBarrow, 02-09-2011, 09:07 AM
I'd go for Xen, but keep in mind if you need full virtualization you won't be able to burst RAM.

Posted by gigatux, 02-09-2011, 10:22 AM
If the high availability option is essential for you, Xen 4.0 has some interesting functionality using Remus that you might be interested in using. I'd usually go for Xen anyway tbh - I've found it more stable than OpenVZ and it sounds you need something a bit lower level.

Posted by AndriusPetkus, 02-10-2011, 07:31 AM
only 2 ways: OpenVZ or XEN. But both systems have their pluses and minuses.

Posted by Natcoweb, 02-10-2011, 05:54 PM
You could try KVM + libvirt. It's actively developed by RedHat and it better supports modern hardware and recent linux kernels.

Posted by billaa, 02-14-2011, 04:44 PM
I would like to recommend XEN. It has good performance and Speed. I don't think you will find better than XEN.

Posted by tylerdurden81, 02-14-2011, 06:59 PM
KVM is the only way to go. On Windows Xp machines Benchmarked 10 to 15% better then XEN, VMWARE, and about 8% better then Virtualbox.

Posted by net, 02-14-2011, 07:19 PM
Folks, You can't compare xen and openvz because it is a matter of what do you want to accomplish with this container software. You are comparing between apple and banana. It also depends on how the VPS provider handle his containers in the server.... Maybe it is time to put this into understanding. Try to read this ---> http://www.markus-gattol.name/ws/openvz.html

Posted by artemirk, 02-14-2011, 10:11 PM
Full virtualization it's only KVM,Xen, VirtualBox. All these technology already use by you company. Operating system-level virtualization (openvz, vdsmanager)will work faster then full virtualization. But you can run only some OS in parent. Also for openvz you can resize disk quota for VPS, but xen and kvm it's not easy way to resize VPS image. For linux VPS I will use openvz or xen.

Posted by tylerdurden81, 02-15-2011, 11:44 AM
Its very easy to resize a KVM image .. dd if=/dev/zero of=vm-VMID-disk-1.raw bs=512 count=0 seek=209715200 Thats it

Posted by artemirk, 02-15-2011, 10:12 PM
For Openvz it's more easy and faster. And don't need copy data.

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