| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "D'Arcy J(dot)M(dot) Cain" <darcy(at)druid(dot)net> |
| Cc: | PostgresSQL Hackers Mailing List <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Reading a live database |
| Date: | 2002-09-14 22:53:15 |
| Message-ID: | 24544.1032043995@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
"D'Arcy J.M. Cain" <darcy(at)druid(dot)net> writes:
> I wonder how hard it would be to run a database server against a database
> that is already being run. The idea is to be able to do read only queries
> against the database from a different server on a shared NFS mounted
> database.
The odds of this are nil, unless maybe *all* the servers treat the
database as read-only, which doesn't seem very interesting.
> Another question, can a database server for one system (e.g. NetBSD on i386)
> run a database originally created on another (e.g. AIX on RS6000) or are
> there binary incompatibilities?
There are binary incompatibilities if the platforms have differences in
endianness, alignment, or floating-point formats.
regards, tom lane
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