I think he is probably talking about disk defragmentation that windows runs every so often.
https://support.microsoft.com/en-us/kb/314848 On 2015-06-17 14:03, Perttu wrote: > On 17 Jun 2015 at 14:43:27, Paul Sture ([email protected]) wrote: > >> In an office environment where the majority of files are docx, xlsx, >> pptx or their equivalents in non-MS Office products, they are already >> compressed, so there's little point in applying compression at the file >> level. This is easily demonstrated via "unzip -l" on one of those >> files. >> >> File fragmentation is also an issue (I'm thinking of Windows here). If >> the guest system is unaware that its files are on a host system, there >> may well be a substantial CPU overhead dealing with what it thinks are >> fragmented files because; it's not just a matter of disk head movement, >> the guest OS has to handle the mapping to all those file fragments. > > Do you mean that Windows might do automatic reordering on the fly if it > thinks files are too fragmented? > > -Perttu > > SMARTOS-DISCUSS | Archives [1] [2] | Modify [3] Your Subscription > [4] Links: ------ [1] https://www.listbox.com/member/archive/184463/=now [2] https://www.listbox.com/member/archive/rss/184463/26452851-88b650c7 [3] https://www.listbox.com/member/?& [4] http://www.listbox.com ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
