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SubjectRe: Initial report on F2FS filesystem performance
Hi!

> >> * buffered write (1GB file), 4KByte write
> >
> > Ok, f2fs is bit faster on desktop PC and a bit slower on S3. Good.
> >
> >
> >> * write + fsync (100MB file), 4KByte write
> >
> > Ok, random access on VFAT is a lot faster on S3 (and only very
> > a bit on PC). Any idea why results are so different between PC and S3?
> > Does F2FS need significantly more CPU? Does F2FS need significantly
> > more RAM? (Booting PC with low mem= option my answer that).

> Yes, I think that f2fs really needs more CPU and memory for
> functioning. The f2fs keeps more metadata as VFAT, as I
> understand. Moreover, it manages six active logs at runtime and GC
> can works in background. All of it needs in more CPU power.

Thanks for info.

Out of curiosity, how does F2FS perform on low-end SD cards (compared
to VFAT)? I know Kingstons and similar can have only single group open
for writing... VFAT still works there, does F2FS?

Thanks,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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