Windows Server 2008 R2, Hosted on HyperV Virtual Machine allocated 3GB Memory.
I've setup a RAMDisk (capacity of 512MB more than sufficient for our requirements) using ImDisk on this virtual web server and allocated it 3GB of RAM (the hosted applications don't require any more than ~768MB under heavy load).
Originally the WebRoot directory was on a network share which performed sufficiently but have noticed under heavy load this has resulted in a noticeable increase in LAN traffic to the network sharing server (which I believe is accessing the network share to serve up the webpages to my users - should this be happening?).
As the VM is hosted in a Fail-Over Cluster the VM's C:\ drive is stored on an iSCSI SAN, so there was no performance benefit (tested this) in keeping the WebRoot folder on the C:\ drive.
So I have opted for putting the content onto a RAMDisk which of course showed a good improvement in terms of Access Time especially. The source content would still be stored on the Network Share, but would be synchronised to the RAM Disk every 24 hours.
Anyone have good reason to believe this would:
A) Not be worth it?
or more importantly,
B) Be an out-right bad idea!?
Critique appreciated, both positive and negative!