Re: Postgres for a "data warehouse", 5-10 TB

From: Robert Klemme <shortcutter(at)googlemail(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Postgres for a "data warehouse", 5-10 TB
Date: 2011-09-12 17:04:22
Message-ID: j4le2q$asc$1@dough.gmane.org
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On 11.09.2011 22:10, Scott Marlowe wrote:

> Another data point. We had a big Oracle installation at my last job,
> and OLAP queries were killing it midday, so I built a simple
> replication system to grab rows from the big iron Oracle SUN box and
> shove into a single core P IV 2.xGHz machine with 4 120G SATA drives
> in SW RAID-10.
>
> That machine handily beat the big iron Oracle machine at OLAP queries,
> running in 20 minutes what was taking well over an hour for the big
> Oracle machine to do, even during its (Oracle machine) off peak load
> times.

Um, that sounds as if the SUN setup was really bad. Do you remember any
details about the drive configuration there?

Kind regards

robert

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