On 03/03/2015 03:59 PM, Fam Zheng wrote: > On Tue, 03/03 15:53, Wen Congyang wrote: >> I test qcow2_make_empty()'s performance. The result shows that it may >> take about 100ms(normal sata disk). It is not acceptable for COLO. So >> I think disk buff is necessary(just use it to replace qcow2). > > Why not tmpfs or ramdisk?
I test it, and it only takes 2-3ms. Thanks Wen Congyang > > Fam > . >
