From: Jürgen Purtz <juergen@purtz.de>
To: pgsql-novice@postgresql.org
Subject: Sequence of processing: WAL / shared buffers
Date: Thu, 28 Jan 2016 12:49:56 +0100
Message-ID: <56AA0064.1010807@purtz.de> (raw)
In-Reply-To: <5690218B.9060103@purtz.de>
References: <20160105193334.GA296052@alvherre.pgsql>
<5690218B.9060103@purtz.de>
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Hi,
can anyone explain, what happens first during an UPDATE of an indexed
column: writing and flushing to WAL or modification of shared buffers?
And: both actions are finished before a confirmation is send to the
requesting client - or?
Regards, Jürgen Purtz
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To: pgsql-docs@postgresql.org
Cc: juergen@purtz.de, pgsql-novice@postgresql.org
Subject: Re: Sequence of processing: WAL / shared buffers
In-Reply-To: <56AA0064.1010807@purtz.de>
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