From: Gregory Stark <stark@enterprisedb.com>
To: david@lang.hm
Cc: Orhan Aglagul <oaglagul@cittio.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: FW:
Date: Wed, 09 May 2007 12:36:19 +0100
Message-ID: <87d51ai5zg.fsf@oxford.xeocode.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0705081819160.32601@asgard.lang.hm>
References: <868BCE5A6576F44A862F1FBBC3E14A0104255AFA@ms17.mse9.exchange.ms>
<Pine.LNX.4.64.0705081819160.32601@asgard.lang.hm>
<david@lang.hm> writes:
> with a standard 7200 rpm drive ~150 transactions/sec sounds about right
>
> to really speed things up you want to get a disk controller with a battery
> backed cache so that the writes don't need to hit the disk to be safe.
Note that this is only if you're counting transactions/sec in a single
session. You can get much more if you have many sessions since they can all
commit together in a single disk i/o.
--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
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To: pgsql-performance@postgresql.org
Cc: stark@enterprisedb.com, david@lang.hm, oaglagul@cittio.com
Subject: Re: FW:
In-Reply-To: <87d51ai5zg.fsf@oxford.xeocode.com>
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