[Neo] Java outof 64 GB ram

Miguel Ángel Águila Lorente maguila at ac.upc.edu
Fri Feb 26 13:04:15 CET 2010


I will explain me better.
Every node has:
- One String that have 5 chars.
- One String that have 3 chars.
- One String that have 4 chars.
- One String that have 100 chars.

Mike

El vie, 26-02-2010 a las 10:05 +0100, Miguel Ángel Águila Lorente
escribió:
> I don't know if I'm answering your question but every node has 4 pairs
> of String, therefore 4 pairs of char(15).
> 
> Mike
> 
> 
> 
> El jue, 25-02-2010 a las 07:18 -0700,
> rick.bullotta at burningskysoftware.com escribió:
> > Yes, exactly the question.  If it's a big string, it is quite possible
> >    to have the file grow this large.
> > 
> > 
> > 
> >    Miguel, approximately how long is the property value?
> > 
> > 
> > 
> >    -------- Original Message --------
> >    Subject: Re: [Neo] Java outof 64 GB ram
> >    From: Johan Svensson <johan at neotechnology.com>
> >    Date: Thu, February 25, 2010 7:13 am
> >    To: Neo user discussions <user at lists.neo4j.org>
> >    If you store 322M strings (one string property/relationship), were
> >    each string is 200 bytes, the string store will be 60GB+ in size.
> >    How large are the strings you are storing?
> >    -Johan
> >    On Thu, Feb 25, 2010 at 2:55 PM, <rick.bullotta at burningskysoftware.com>
> >    wrote:
> >    >   The string propertystore file seems really, really large to me,
> >    based
> >    >   on the # of nodes/relationships/properties.  The reason I ask is
> >    that I
> >    >   saw similar behavior in some of our early testing.  Extremely large
> >    >   string propertystores file.  It would be helpful to understand why
> >    the
> >    >   file gets that large, and whether it is related to some of the
> >    memory
> >    >   stress issues.
> >    >
> >    >
> >    >
> >    >
> >    >
> >    >   -------- Original Message --------
> >    >   Subject: Re: [Neo] Java outof 64 GB ram
> >    >   From: Miguel ngel_guila Lorente <maguila at ac.upc.edu>
> >    >   Date: Thu, February 25, 2010 1:57 am
> >    >   To: Neo user discussions <user at lists.neo4j.org>
> >    >   There are 322 million relationships, no 57 million relationships.
> >    The
> >    >   only propierty I save in the relationship is a String. In this 322
> >    >   million relationships there are 3 diferents types of relations.
> >    >   Do you think that 13 GB is a strange number? Why?
> >    _______________________________________________
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> >    User at lists.neo4j.org
> >    [1]https://lists.neo4j.org/mailman/listinfo/user
> > 
> > References
> > 
> >    1. https://lists.neo4j.org/mailman/listinfo/user
> > _______________________________________________
> > Neo mailing list
> > User at lists.neo4j.org
> > https://lists.neo4j.org/mailman/listinfo/user
> 
> 
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