Re: Overhead cost of Serializable Snapshot Isolation

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Simon Riggs" <simon(at)2ndQuadrant(dot)com>, "Heikki Linnakangas" <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: "Greg Sabino Mullane" <greg(at)endpoint(dot)com>, "pgsql-hackers" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Overhead cost of Serializable Snapshot Isolation
Date: 2011-10-10 22:31:34
Message-ID: 4E932BF60200002500041D33@gw.wicourts.gov
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Simon Riggs <simon(at)2ndQuadrant(dot)com> wrote:

> How do we turn it on/off to allow the overhead to be measured?

User REPEATABLE READ transactions or SERIALIZABLE transactions. The
easiest way, if you're doing it for all transactions (which I
recommend) is to set default_transaction_isolation.

-Kevin

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