Doug, My gut feeling has always been no but provided the VM is appropriately configured and is running on hardware that is not overtaxed then I think you will be okay.
The new feature introduced in 16r2 makes this option increasingly attractive. http://blog.4d.com/enterprise-virtual-machine-snapshot-support/ Regards, Wayne Wayne Stewart about.me/waynestewart On 27 February 2017 at 07:46, Douglas von Roeder via 4D_Tech <[email protected]> wrote: > My reason for posting this message is to solicit feedback on the pros and > cons of moving an existing system to a virtual environment. The IT > department at a client site is pushing a client to virtualize their 4D > system and I've been asked to provide input. > > I have done a bit of research into the pros and cons of this issue over the > last few years and realize that are many reasons to virtualize and that > there can be a benefit to the end user. > > The current system supports 10 LAN users, plus 25 remote users who > synchronize over a VPN. They're running 4D V13 on a newish, dedicated i7 > Win7 install with SSD's and plenty of RAM. The system does not undergo > heavy load except during the synchronization process. The synch code will > be optimized after the V15 upgrade later this year. > > I do not know the proposed configuration of the virtual environment. > > In a short, my understanding is that 4D can work well in a virtual > environment providing that the VM is configured for OLTP. The hallmarks of > that configuration appears to be use of SSD's as the primary drives, > apparently acting in a caching function, and as well as optimization to > support small block transfers (2k? 8k?). > > The company underwent an unsuccessful virtualization effort a few years ago > (prior to my involvement) when they were using 4D 2004. The IT personnel > involved with that effort are not longer with the company and the current > staff has assured my client that they will "do it right this time". > > I would appreciate your thoughts, insights, and real-world experiences on > this topic. > > -- > Douglas von Roeder > 949-336-2902 > ********************************************************************** > 4D Internet Users Group (4D iNUG) > FAQ: http://lists.4d.com/faqnug.html > Archive: http://lists.4d.com/archives.html > Options: http://lists.4d.com/mailman/options/4d_tech > Unsub: mailto:[email protected] > ********************************************************************** ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: http://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************

