Re: backing up without lock ?

From: Scott Marlowe <smarlowe(at)g2switchworks(dot)com>
To: FM <dist-list(at)lexum(dot)umontreal(dot)ca>
Cc: Mailing List Postgres-Admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: backing up without lock ?
Date: 2005-07-18 17:51:42
Message-ID: 1121709102.8208.327.camel@state.g2switchworks.com
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On Mon, 2005-07-18 at 12:25, FM wrote:
> Hello,
> Is it possible to backup postgresql databases without locking tables.

Yes and no.

No, it's actually possible to backup postgresql without a lock.

However, it's an access shared lock, so it's not a blocking lock.

Also, the backup is coherent for a whole database at the point in time
the backup was initiated.

http://www.postgresql.org/docs/8.0/static/app-pgdump.html

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