[ovirt-users] Slow on deleting file in VM with gluster as storage

Hi all, I had an issue with delete file in VM. I used Ovirt with Gluster as Storage. I create new VM is fast, install everything is fast, also create and copy file. But when I delete large number of file in VM, it really slow. OS in VM is windows server 2012 r2. Ovirt 4.2.3 Gluster 3.12.9 Could you please help me on this case. Thanks.