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From Stefan Guggisberg <stefan.guggisb...@gmail.com>
Subject Re: Performance issues of using "object" repository rather than "orm"
Date Wed, 18 May 2005 11:55:28 GMT
On 5/18/05, Ludovic Maitre <ludovic.maitre@free.fr> wrote:
> Hello,
> 
> I have only a small question/precision to ask so i cut a lot of the
> original message.
> 
> Stefan Guggisberg wrote:
> 
> ><disclaimer>
> >i have to admit that i am biased. i love simplicity and easy deployment and
> >i am not a huge fan of ORM.
> ></disclaimer>
> >
> >
> >
> Ok,
> 
> >ORM PM:
> >--------------
> >pro:
> >- i assume it would scale better
> >- transactional
> >
> >con:
> >- very complex deployment
> >- network transport overhead?
> >- considerably slower than Object PM
> >
> >
> >
> I just want to know if you guess this fact or if you have done some
> benchmarks ? In my "subjectives" tests for using Magnolia. a CMS which
> use Jackrabbit, with a db persistent manager (OJB and Hibernate), i had
> the feeling that the creation of the contents was a lot quicker with db
> persistence than with the filesystem persistence (which is the object
> persistence or i'm wrong?).

i did a quick&dirty test a while ago (adding nodes and saving them 
in batches of size 1000). when using the Object PM you have to make sure 
you're using a 'decent' file system (linux,unix,reiser,cqfs etc., not
the windows
file system).

cheers
stefan

> 
> >cheers
> >stefan
> >
> >
> Thanks, have a good day,
> 
> --
> Cordialement,
> Ludo - http://www.ubik-products.com
> ---
> "L'amour pour principe et l'ordre pour base; le progres pour but" (A.Comte)
> 
>

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