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Message-ID: <c6f400460708090850sfb00a4al6d4cbe823e107990@mail.gmail.com>
Date: Thu, 9 Aug 2007 18:50:41 +0300
From: "=?UTF-8?Q?Alexandru_Popescu_=E2=98=80?="
 <the.mindstorm.mailinglist@gmail.com>
To: users@jackrabbit.apache.org
Subject: Re: ObjectPersistenceManager vs SimpleDbPersistenceManager
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References: <18924955.6981186501846375.JavaMail.root@mail.rhoderunner.com>
	 <5f211bd50708090647j4168ff77ua1b046478de520b@mail.gmail.com>

On 8/9/07, Thomas Mueller <thomas.tom.mueller@gmail.com> wrote:
> Hi,
>
> I suggest to use a Bundle Database Persistence Manager, for example:
> org.apache.jackrabbit.core.persistence.bundle.DerbyPersistenceManager
> ... or another database. The advantages are:
>
> - More stable than ObjectPersistenceManager
> - Faster than SimpleDbPersistenceManager
>
> Thomas
>

IMO Phillip is after a more advanced BundledPM:one that can fetch
children in the same op. I suppose he can write his own based on the
current ones.

./alex
--
.w( the_mindstorm )p.

> On 8/7/07, Phillip Rhodes <spamsucks@rhoderunner.com> wrote:
> > Hello everyone,
> >
> > I did some debugging for my performance problems with SimpleDbPersistenceManager.
> > I ran SimpleDbPersistenceManager with jdbclogger and found that Jackrabbit will issue 2+ sql queries for each node as I iterator through the NodeIterator.  This does not scale well for me.
> >
> > I am considering switching my workspace to use the ObjectPersistenceManager .  I understand it is not reliable as the SimpleDbPersistenceManager, but since I won't be issuing 400+ database queries, I hope the performance for my application will improve.
> >
> > Am I risking the entire repository becoming corrupt, or just a few nodes becoming corrupt?  I don't mind a few nodes becoming corrupt, but if the entire repo can become corrupt if the repository is killed, I would appreciate knowing this!
> >
> >
> >
> >
> > Thank you as always.
> > Phillip
> >
> >
> >
>