Re: PostgreSQL, NetBSD and NFS

From: Ian Fry <Ian(dot)Fry(at)sophos(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "D'Arcy J(dot)M(dot) Cain" <darcy(at)druid(dot)net>, pgsql-hackers(at)postgresql(dot)org, current-users(at)netbsd(dot)org
Subject: Re: PostgreSQL, NetBSD and NFS
Date: 2003-02-05 18:04:15
Message-ID: 20030205180415.GA25089@sophos.com
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On Wed, Feb 05, 2003 at 12:18:29PM -0500, Tom Lane wrote:
> "D'Arcy J.M. Cain" <darcy(at)druid(dot)net> writes:
> > On Wednesday 05 February 2003 11:49, Tom Lane wrote:
> >> I wonder if it is possible that, every so often,
> >> you are losing just the last few bytes of an NFS transfer?
> > Yah, that's kind of what it looked like when I tried this before
> > Christmas too although the actual errors differd.
> Wild thought here: can you reduce the MTU on the LAN linking the NFS
> server to the NetBSD box? If so, does it help?

How about adjusting the read and write-size used by the NetBSD machine? I think
the default is 32k for both read and write on i386 machines now. Perhaps try
setting them back to 8k (it's the -r and -w flags to mount_nfs, IIRC)

Ian.

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