At Tue, 21 May 2013 11:16:20 +0800, Liu Yuan wrote: > > On 05/21/2013 08:11 AM, MORITA Kazutaka wrote: > > We don't need to care about a fragmentation when > > - the object is unlikely to be accessed sequentially, and > > What the problem if we access object sequentially? For file hole, file > system will return 0 to the application, no? The problem of the sparse file is that it leads to fragmentation. If the file is fragmented, sequential access from VMs may cause disk seeks. Thanks, Kazutaka |