| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Greg Copeland <greg(at)copelandconsulting(dot)net> |
| Cc: | "D'Arcy J(dot)M(dot) Cain" <darcy(at)druid(dot)net>, PostgresSQL Hackers Mailing List <pgsql-hackers(at)postgresql(dot)org>, current-users(at)netbsd(dot)org |
| Subject: | Re: PostgreSQL, NetBSD and NFS |
| Date: | 2003-02-05 18:26:00 |
| Message-ID: | 28261.1044469560@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Greg Copeland <greg(at)copelandconsulting(dot)net> writes:
> On Wed, 2003-02-05 at 11:18, Tom Lane wrote:
>> Wild thought here: can you reduce the MTU on the LAN linking the NFS
>> server to the NetBSD box? If so, does it help?
> I'm curious as to why you think adjusting the MTU may have an effect on
> this. Lowering the MTU may actually increase fragmentation, lower
> efficiency, and even exacerbate the situation.
I'm thinking maybe one or both LAN cards have a problem with packets
exceeding a certain size.
> Is this purely a diagnostic suggestion?
Well, if it changes anything then it would definitely show there's a
hardware problem to fix...
regards, tom lane
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