On 07/17/2012 03:44 PM, HaiTing Yao wrote: > I tried to find profiles and got confused also. With multible threads, > we can explain the improvement easy. I do not find the root reason for > the improvement with only one reading request at the same time, but > the improvement indeed exsited on my machines. I don't see read improvement in real hardware. Maybe you use VMs to test? Thanks, Yuan |