Re: Speed Question

James Knott writes:
> Bruce Sackett wrote:
> > I am running into what appears to be some slow connections across 
> > multiple CIPE connections.  Ping rates are extremely good, but data 
> > transfer across these connections is reportedly very slow.  Most 
> > transfers across these connections are SQL queries and responses at this 
> > point, with some file transfers.  In many cases these queries are quite 
> > large, or are many many small ones.
> > 
> > Any possible suggestions as to what I can check on this, or 
> > settings/options I should look at?
> 
> I had a similar problem with Samba & NFS a few months ago.  The Samba
> problem was cured with the "interfaces" option in smb.conf.  I never did
> get the NFS problem resolved.

Most NFS over CIPE problems can be solved by using the NFS mount
options "wsize=1024,rsize=1024".  This makes NFS use read and write
sizes small enough to fit into a single CIPE packet.  By default it
uses read/write sizes large enough to require fragmented NFS packets
that sprawl across multiple CIPE packets.

--
Dick St.Peters, [email protected] 

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