On Jul 15, 2014, at 2:13 , kokamoto@hera.eonet.ne.jp wrote:

> I've experienced three kinds of Plan9 file servers,
> Lab's one, 9atom and plan9front.

Can you clarify which file server, specifically, you're comparing for each of these? The Labs doesn't distribute kenfs any more, and venti+fossil is a very different model. The old kenfs should reliably trounce it on performance. Then there's newer options in both 9atom and 9front.

Anthony