From: Josh Berkus <josh@agliodbs.com>
To: pgsql-performance@postgresql.org
Subject: Re: random_page_cost = 2.0 on Heroku Postgres
Date: Wed, 08 Feb 2012 16:50:46 -0800
Message-ID: <4F331866.7070401@agliodbs.com> (raw)
In-Reply-To: <CAAcg=kWsjAXRNt0sSjsF-Ft+NfZi30Owa=-PGvghSJ6A0jeVYQ@mail.gmail.com>
References: <CAAcg=kWsjAXRNt0sSjsF-Ft+NfZi30Owa=-PGvghSJ6A0jeVYQ@mail.gmail.com>
On 2/7/12 4:59 PM, Peter van Hardenberg wrote:
> Per the thread from last month, I've updated the default
> random_page_cost on Heroku Postgres to reduce the expected cost of a
> random_page on all new databases.
This is because Heroku uses AWS storage, which has fast seeks but poor
throughput compared to internal disk on a standard system, BTW.
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com
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To: pgsql-performance@postgresql.org
Cc: josh@agliodbs.com
Subject: Re: random_page_cost = 2.0 on Heroku Postgres
In-Reply-To: <4F331866.7070401@agliodbs.com>
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