| From: | Shaw Terwilliger <sterwill(at)sourcegear(dot)com> |
|---|---|
| To: | Alfred Perlstein <bright(at)wintelcom(dot)net> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Shaw Terwilliger <sterwill(at)sourcegear(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: PostgreSQL over NFS? |
| Date: | 2001-02-10 00:09:54 |
| Message-ID: | 20010209180954.B11583@lister.sourcegear.com |
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| Thread: | |
| Lists: | pgsql-general |
Alfred Perlstein wrote:
> Actually NFS has very strong write ordering semantics, it just has
> terrible cache coherency. Meaning two machines accessing the same
> file will most likely see different things if the file is updated
> moderately.
I'm not an NFS guru by any means, but I've noticed episodes of cache
incoherency from NFS-mounted home directories on two workstations.
Running two postgresql database servers on two hosts accessing the
same data space through NFS sounds like asking for corruption, and
was, luckily, never suggested.
--
Shaw Terwilliger <sterwill(at)sourcegear(dot)com>
SourceGear Corporation
217.356.0105 x 641
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