[Mulgara-general] Files mapped

[Pascal Nicolas]

> De : mulgara-general-bounces at mulgara.org [mailto:mulgara-general-bounces at mulgara.org] De la part de Paul Gearon
> Envoyé : vendredi 29 février 2008 23:52
> À : Mulgara General
> Objet : Re: [Mulgara-general] Files mapped
>
> On Fri, Feb 29, 2008 at 11:20 AM, Pascal Nicolas
> <nicolas.pascal at atosorigin.com> wrote:
> > I'm using Mulgara on a Linux 32-bit platform with a sun jdk1.5.0_6.
> >
> > At the moment threre are 21 millions of triples in my database and when I
> > start Mulgara I get this exception :
> >
> > java.io.IOException: Cannot allocate memory
> >
> > It's written in the documentation that Mulgara can be started in one of
> > three modes: all files mapped, index files mapped and no files mapped.
> >
> > May be I missed it, but I didn't find more information on how to start
> > Mulgara in one of these three modes.
>
> I don't know if this is documented anywhere, but it's a switch on the
> command line:
>
> java -Dmulgara.xa.forceIOType=explicit  -jar mulgara-1.1.1.jar
>
> The two accepted options are "explicit" and "mapped".

Thank you Paul,
With the "explicit" option, my Mulgara starts but not with the "mapped" option.

Does "explicit" mean that there are no files mapped ?
And does "mapped" mean that all files are mapped ?

>
> > If you've got an other idea to resolve my problem ...
>
> What if you try adding -Xmx ?  For instance, the tests use a maximum
> heap size of 192 MB with -Xmx192m.  You could try a higher value?

I've already tried adding -Xmx from 128m to 1024m but without success (I only have 2GB on my platform).

Regards,
Nicolas PASCAL


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