Create index performance issue in virtual environment

Hello,

We are moving from a physical server to a VM server (VMWare) with better hardware but we see that inserts and creating indexes takes a lot more time on the VM.

Index creation on physical takes around 4 min and in VM around 7 min.

Doing statistics io, time, we see that the index creation on VM for the same table with the same data does more writes.

dd commands show the writing performance is the same (450M/s) but reading performance is much better in VM (3Gb/s vs 6Gb/s).

The undlying storage in VM in a Tintri Storage.

ASE configuration is the same between the servers, as well as in OS level (redhat 5.10).

ASE version is 15.0.3 ESD4 (2k page server)

As anyone experienced this problem?

Thanks