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Re: Improving backend startup interlock

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Giles Lean <giles(at)nemeton(dot)com(dot)au>
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: Improving backend startup interlock
Date: 2002-09-29 01:47:59
Message-ID: 6768.1033264079@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
Giles Lean <giles(at)nemeton(dot)com(dot)au> writes:
> Is there some reason that file locking is not acceptable?  Is there
> any platform or filesystem supported for use with PostgreSQL which
> doesn't have working exclusive file locking?

How would we know?  We have never tried to use such a feature.

For sure I would not trust it on an NFS filesystem.  (Although we
disparage running an NFS-mounted database, people do it anyway.)

			regards, tom lane

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