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Subject: Re: Newbies question
From: =?ISO-8859-1?Q?J=E9r=F4me?= BENOIS <benois@argia-engineering.fr>
To: jackrabbit-dev@incubator.apache.org
Cc: Philippe Ruelle <philipper@argia.fr>
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Hi,

	Thanks for your response.

	I carried out some tests with my 180000 nodes, when i save per block of
100 nodes the execution time is 8 hours and my store is very big : 1.3Go

	When i launch a simple query, my CPU, RAM is full and execution is very
very long ...

	Could you help me please ?

My repository.xml here :=20


<?xml version=3D"1.0" encoding=3D"ISO-8859-1"?>
<Repository>
    <FileSystem
class=3D"org.apache.jackrabbit.core.fs.local.LocalFileSystem">
        <param name=3D"path" value=3D"${rep.home}/repository"/>
    </FileSystem>
    <Security appName=3D"Jackrabbit">
        <AccessManager
class=3D"org.apache.jackrabbit.core.security.SimpleAccessManager">
        </AccessManager>
        <LoginModule
class=3D"org.apache.jackrabbit.core.security.SimpleLoginModule">
           <param name=3D"anonymousId" value=3D"anonymous"/>
        </LoginModule>
    </Security>
    <Workspaces rootPath=3D"${rep.home}/workspaces"
defaultWorkspace=3D"default"/>
    <Workspace name=3D"${wsp.name}">
        <FileSystem
class=3D"org.apache.jackrabbit.core.fs.local.LocalFileSystem">
            <param name=3D"path" value=3D"${wsp.home}"/>
        </FileSystem>
        <PersistenceManager
class=3D"org.apache.jackrabbit.core.state.obj.ObjectPersistenceManager"/>  =
    =20
        <SearchIndex
class=3D"org.apache.jackrabbit.core.query.lucene.SearchIndex">
            <param name=3D"path" value=3D"${wsp.home}/index"/>
            <param name=3D"useCompoundFile" value=3D"true"/>
            <param name=3D"minMergeDocs" value=3D"100"/>
            <param name=3D"volatileIdleTime" value=3D"3"/>
            <param name=3D"maxMergeDocs" value=3D"100000"/>
            <param name=3D"mergeFactor" value=3D"10"/>
            <param name=3D"bufferSize" value=3D"10"/>
            <param name=3D"cacheSize" value=3D"1000"/>
            <param name=3D"forceConsistencyCheck" value=3D"false"/>
            <param name=3D"autoRepair" value=3D"true"/>
        </SearchIndex>
    </Workspace>
    <Versioning rootPath=3D"${rep.home}/version">
        <FileSystem
class=3D"org.apache.jackrabbit.core.fs.local.LocalFileSystem">
            <param name=3D"path" value=3D"${rep.home}/version"/>
        </FileSystem>       =20
        <PersistenceManager
class=3D"org.apache.jackrabbit.core.state.obj.ObjectPersistenceManager"/>
    </Versioning>
</Repository>

Best Regards,
J=C3=A9r=C3=B4me.

Le vendredi 06 janvier 2006 =C3=A0 19:17 +0200, Jukka Zitting a =C3=A9crit =
:
> Hi,
>=20
> On 1/6/06, J=C3=A9r=C3=B4me BENOIS <benois@argia-engineering.fr> wrote:
> > I want use jackrabbit in order to create 180000 content nodes. But, how
> > to use correctly the session ? Call session.save() for each nodes or
> > prefer call session.save() per bloc of 1000 nodes ?
>=20
> It depends on your performance and memory use requirements. Each
> save() will cost you some time, but the more changes you queue up
> before calling save() the more memory your process will use to hold
> the pending changes. Calling Session.save() only per a block of
> changes is probably better for such bulk loads.
>=20
> You may also want to take a look at the Workspace.importXML() and
> Workspace.getImportContentHandler() for an efficient alternative to
> bulk loading large amounts of data.
>=20
> BR,
>=20
> Jukka Zitting
>=20
> --
> Yukatan - http://yukatan.fi/ - info@yukatan.fi
> Software craftmanship, JCR consulting, and Java development

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