On Thu, Mar 10, 2016 at 3:24 AM, Rob Philip <rob.philip@gmail.com> wrote:

> On 2016-03-08 09:09, Rob Philip wrote:
> > I have a question on yaffs2 performance.
> >
>
> Answering my own question, it appears yaffs is fond of having its files
> distributed in directories.
> Tests run last night with 475MB of data in 10000 files spread some 400
> directories give me
> performance that is acceptable. 4 second mount times, and quick enough I/O
> to the mounted
> device. And mostly I won't have this much data stored, so it's all good.
>
>
> Thanks for following up with that Rob. Your original post had me
scratching my head a bit.

Yaffs stores its drectory structure as a doubly linked list of "siblings",
so that means directories with very large
numbers of entries don't get handled particularly well.

Regards


-- Charles



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