NFS on ZFS pure SSD pool

Mikolaj Golub trociny at FreeBSD.org
Sun Sep 1 19:11:20 UTC 2013


On Sun, Sep 01, 2013 at 02:28:45PM -0400, Sam Fourman Jr. wrote:

> > BTW, I noticed that nfsd sets listen backlog to 5. Isn't it a bit low
> > for servers that might have hundreds clients?
> >
> 
> is there a sysctl to increase the listen backlog for nfsd?

No. It is hardcoded to 5 in nfsd.c. If it had been set to -1 instead,
the system default would have been used and could be tuned
(kern.ipc.soacceptqueue).

But my note was just an observation and I am not sure this makes any
difference in your case, without seeing netstat output.

-- 
Mikolaj Golub


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