Performance optimization in av::fixup - use buffered IO, not mapped file

Václav Zeman vhaisman@gmail.com
Thu Dec 13 11:05:00 GMT 2012


On 13 December 2012 11:39, Corinna Vinschen wrote:
> Valid point.  One has to wonder why sparse files were implemented at
> all, if nobody seems to care for them, of course...
The NTFS journal is a sparse file/stream ([1]). So this is one place
where they do care about it. Also, I would guess that feature parity
with other common file systems is another reason why.

[1] http://technet.microsoft.com/en-us/library/cc976808.aspx

-- 
VZ



More information about the Cygwin-developers mailing list