From: Ray Stell <stellr@cns.vt.edu>
To: Divakar Singh <dpsmails@yahoo.com>
Cc: pgsql-performance@postgresql.org <pgsql-performance@postgresql.org>
Subject: Re: Postgres insert performance and storage requirement compared to Oracle
Date: Mon, 25 Oct 2010 15:21:57 -0400
Message-ID: <20101025192157.GB14620@cns.vt.edu> (raw)
In-Reply-To: <925479.22016.qm@web65411.mail.ac4.yahoo.com>
References: <402913.53404.qm@web65405.mail.ac4.yahoo.com>
<20101025183523.GA14620@cns.vt.edu>
<925479.22016.qm@web65411.mail.ac4.yahoo.com>
On Mon, Oct 25, 2010 at 11:39:30AM -0700, Divakar Singh wrote:
> Thanks Ray,
> Already seen that, but it does not tell about storage requirement compared to
> Oracle. I find it takes 2 times space than oracle.
>
>
> Best Regards,
> Divakar
> ________________________________
> From: Ray Stell <stellr@cns.vt.edu>
> To: Divakar Singh <dpsmails@yahoo.com>
> Sent: Tue, October 26, 2010 12:05:23 AM
> Subject: Re: [PERFORM] Postgres insert performance and storage requirement
> compared to Oracle
>
> On Mon, Oct 25, 2010 at 11:12:40AM -0700, Divakar Singh wrote:
> >
> > 2. What are the average storage requirements of postgres compared to Oracle? I
>
> > inserted upto 1 million records. The storage requirement of postgreSQL is
> >almost
> >
> > double than that of Oracle.
>
> there's a fine manual:
> http://www.postgresql.org/docs/9.0/interactive/storage.html
Maybe compare to oracle's storage documentation:
http://download.oracle.com/docs/cd/E11882_01/server.112/e17118/sql_elements001.htm#SQLRF30020http://download.oracle.com/docs/cd/E11882_01/server.112/e17120/schema007.htm#ADMIN11622
I don't believe for a second the byte count is double in pg, but that's just
a religious expression, I've never counted.
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To: pgsql-performance@postgresql.org
Cc: stellr@cns.vt.edu, dpsmails@yahoo.com
Subject: Re: Postgres insert performance and storage requirement compared to Oracle
In-Reply-To: <20101025192157.GB14620@cns.vt.edu>
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