Jacopo, are you still seeing this? It looks like there is some problems with the Python engine. Have you tried different machines etc?
Cheers, /peter neubauer TC CEO of the year - vote for Emil Eifrém! http://crunchies2011.techcrunch.com/nominate/ Google:neubauer.peter Skype:peter.neubauer Phone: +46 704 106975 LinkedIn http://www.linkedin.com/in/neubauer Twitter @peterneubauer brew install neo4j && neo4j start heroku addons:add neo4j On Tue, Dec 6, 2011 at 6:40 PM, Jacopo Farina <jacopo1.far...@gmail.com> wrote: > Hi all! > I'm using python embedded in order to classify all the nodes in a neo4j > graph previously labeled with properties. > The graph is about 3.9GB with 7M nodes and 30-40M relationships. I've two > questions: > 1- the program worked correctly for hours then crashed suddenly with this > error: > Traceback (most recent call last): > File ''assegnaCategoria.py'', line l4, in <module> > for n in db.nodes: > File ''/usr/local/lib/python2.6/dist-packages/neo4)/ _ init _ .py'', line > 44, in _ getitem _ > return sel_.get(items) > File ''/usr/local/lib/python2.6/dist-packages/neo4)/ _ init _ .py'', line > 6l, in get > rethrow current exception as(KeyError) > File ''/usr/local/lib/python2.6/dist-packages/neo4)/util.py'', line 76, in > rethrow_current_exception_as > raise ErrorClass(msg) > KeyError: u'Node[9327924]' > > 2-the program is very slow.I started it at 18 pm end it crashed at ~65% of > the work at 4 am It only reads the database, never changing it, is there a > way to set it to use the cache intensively? I would put it in /dev/shm/ but > my RAM is 3GB and the database is bigger. > > The code is this http://codepad.org/leSwqhnc > > Cheers, > Jacopo > _______________________________________________ > Neo4j mailing list > User@lists.neo4j.org > https://lists.neo4j.org/mailman/listinfo/user _______________________________________________ NOTICE: THIS MAILING LIST IS BEING SWITCHED TO GOOGLE GROUPS, please register and consider posting at https://groups.google.com/forum/#!forum/neo4j Neo4j mailing list User@lists.neo4j.org https://lists.neo4j.org/mailman/listinfo/user
