uper useful to look at what that record looked like.
Although I think that record was fine, more likely it was the reference to
it that was faulty.
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ght-bytes.blogspot.com/
> <http://thought-bytes.blogspot.com/>
> Saba. Power Up Your People.
>
>
>
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the python bindings are
> > updated?
> >
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2, 2011 at 12:17 PM, Massimo Lusetti wrote:
> On Tue, Feb 1, 2011 at 10:19 PM, Tobias Ivarsson
> wrote:
>
> > For getting a performance boost out of writes, doing multiple operations
> in
> > one transaction will give a much bigger gain than multiple threads
> though.
&g
on. Next, I followed documentation at
> http://wiki.neo4j.org/content/Getting_Started_With_Neo4j_Server. After the
> neo4j server is started successfully, when I try the curl command
> >>>>>>> curl -H Accept:application/json http://localhost:7474/db/data/
> >&g
> Fra: user-boun...@lists.neo4j.org [user-boun...@lists.neo4j.org] på
> vegne av Tobias Ivarsson [tobias.ivars...@neotechnology.com]
> Sendt: 1. februar 2011 22:04
> Til: Neo4j user discussions
> Emne: Re: [Neo4j] InvalidRecordException during traversal after unclean
> shutdow
On Tue, Feb 1, 2011 at 10:59 PM, Massimo Lusetti wrote:
> On Tue, Feb 1, 2011 at 10:50 PM, Tobias Ivarsson
> wrote:
>
> > That is correct, the Isolation of ACID says that data isn't visible to
> other
> > threads until after commit.
> >
> > The CHM
ally insert the same data twice.
>
> Cheers
>
> Michael
>
> Am 01.02.2011 um 22:19 schrieb Tobias Ivarsson:
>
> > No, it means that you have to synchronize the threads so that they don't
> > insert the same data concurrently.
> > Perhaps a ConcurrentHashMap where you
gt; Massimo
> http://meridio.blogspot.com
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her.java:72)
>at testing.Launcher.main(Launcher.java:32)
>
> Unfortunately I don't have a copy of the database at it's original corrupt
> state, I do however have a copy of it after I deleted the the relationship..
> 788
w);
>rowNode.setProperty("logRow", logRowArray);
>md5Index.add(rowNode, "md5", rowMD5);
>
>tx.success();
>}
>
>tx.finish();
>
>
> Thanks for any clue...
\lucene.log.1
> graph.WikiTalk\lucene-fulltext\lucene.log.active
>
> Thanks,
> -Paul
>
> -Original Message-
> From: user-boun...@lists.neo4j.org [mailto:user-boun...@lists.neo4j.org]
> On Behalf Of Tobias Ivarsson
> Sent: Tuesday, February 01, 2011 10:58 AM
> T
tion
> at sun.nio.ch.FileChannelImpl.ensureOpen(FileChannelImpl.java:88)
> at sun.nio.ch.FileChannelImpl.size(FileChannelImpl.java:299)
> at
> org.neo4j.kernel.impl.nioneo.store.PersistenceRow.readPosition(PersistenceRow.java:80)
> ... 12 more
>
>
> Thanks,
> -Paul
> __
g/content/Getting_Started_With_Python), where can
> you download neo4j 1.1 in the meantime until the python bindings are
> updated?
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gt; > > > > >> said "large graph". How many relationships?
> > > > > > >>
> > > > > > >> I really cant see a way this could run into heap space issues,
> > > what
> > > > > does
> > > > > > >> your heap configuration look like?
> > > > > > &g
the end git was even more
helpful than we had hoped, and I believe our experiences will be useful to
others as well.
Happy hacking!
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; your
> > > graph
> > > > >> only contains 100 nodes, then could you please provide me with a
> heap
> > > dump
> > > > >> so that I can analyze where heap is being wasted, because OOM on
> such
> > > a
> > > > >> small graph would be a bug
;
> > >>>
> > >>> Hi Folks,I'm working on a little route planning spring based neo4j
> service
> > >>> where I initially load up all my data into neo4j and have about a
> 100
> > >>> nodes, however it seems that I am running into h
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.
> Best Regards
>
>
>
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* Bug fixes in the Lucene indexes
For more detailed information, check out the release announcement blog post:
http://blog.neo4j.org/2011/01/neo4j-13-abisko-lampa-m01-ha-growing-up.html
As usual, this release can be downloaded here: http://neo4j.org/download
Happy hacking,
--
Tobias Ivarsson
; > make snapshot builds *with source* available for download as ZIPs or TARs
> > as
> > well. For those of us on Windows, there are practical limitations to how
> > many shell add-ins we can install (right now, I have to use CVS with
> > Mozilla
> > stuff, SVN with o
ork us!
The repositories should be fully available on Github at some point during
the day tomorrow.
Those of you who have signed our contributed license agreement will get a
separate e-mail, where I'll ask you for your github username to add you to
the list of contributors.
Happy hacking,
--
mechanism.
For example on the file system.
Cheers,
Tobias
On Tue, Jan 18, 2011 at 6:34 PM, Tobias Ivarsson <
tobias.ivars...@neotechnology.com> wrote:
> That space will be recovered after the store has been shut down. So the
> next time you start up those blocks will be reused. Note howe
>
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raise KeyError(path)
> > KeyError: 'project.artifactId'
> >
> > Tim McNamara
> > @timClicks
> > http://timmcnamara.co.nz/
> > http://people.sugarlabs.org/~tim/
> > ___
> > Neo4j mailing list
>
> I'll probably give up on the more integrated neo4j-python approach for now
> and try REST client calls from (plain old) Python instead. Eventually
> I'd like to be able to leverage my old scripts though, so any tips you can
> give me for getting this latest version to in
d database engine?
>
> Thanks,
> ---
> balazs
>
>
> On 12/30/10 10:30 PM, Tobias Ivarsson wrote:
> > Happy new year — happy new Neo4j version!
> >
> > The Neo4j team is happy to announce version 1.2 of the Neo4j graph
> database.
> > Building on the line of
using the REST API you send
JSON representations describing what you want to traverse. This is then
transformed to a TraversalDescription by the server that runs these against
its EmbeddedGraphDatabase.
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ares them with 1.0/1.1?
>
>
>
> Many thanks,
>
>
>
> Rick
>
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py hacking, and a happy new year 2011!
- the Neo4j team, through
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FIG in rev 8111. Neo4j
should however function properly even when this message is written.
You should thus be able to run Neo4j even with the neo4j-management jar
present.
Cheers,
-t
On Tue, Dec 28, 2010 at 10:41 AM, Tobias Ivarsson <
tobias.ivars...@neotechnology.com> wrote:
> Hi Ron,
&g
nitialize(J9VMInternals.java:196)
>at
>
> sun.management.ConnectorAddressLink.importFrom(ConnectorAddressLink.java:81)
>... 13 more
>
> Are there some people with experience on running the NEO4J project on the
> IBM JDK 1.5?
>
> Thanks a lot in advance,
>
and then reopen it will it do the trick, or is
> there something else I need to do?
>
> Cheers,
> Alex
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me.
>
> Thank you.
>
> James
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solstice celebration, happy hacking!
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ture (a lot of modules) and each module
> (separate process) has to make separate connection to the neo4j database.
>
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ondering what I am doing wrong (or if there is a standard / known way of
> doing this using JPype).
> >
> > Thanks much!
> > Karen
> >
> >
> > Karen Joy Nomorosa
> > Semantic Analyst
> > REARDEN COMMERCE
> > 1051 E Hillsdale Blvd, Sixth Fl
java:411)
>at
> org.neo4j.index.lucene.LuceneDataSource.getDirectory(LuceneDataSource.java:326)
>at
> org.neo4j.index.lucene.LuceneDataSource.getIndexWriter(LuceneDataSource.java:385)
>... 19 more
>
> Is "Comment" as re
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ful). In
> > development this would be useful, it would be an over-ride and not normal
> > operation
> >
> > cheers,
> > Andrew
> >
> >
> >
> > ___
> &g
st regards,
> >Johann
> >
> >
> >___
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> >
> >___
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also have two sessions that you might be interested in checking out.
On Tuesday at 11:30am Tobias Ivarsson is giving a talk entitled "Choosing
the Right NoSQL Database" in the Yosemite B room at Hilton San Francisco
Union Square.
On Wednesday at 2:15pm Emil Eifrem is giving a talk entitled
o4j/graphdb/traversal/TraversalDescription.html#breadthFirst()
> [7]
> http://components.neo4j.org/neo4j-kernel/apidocs/org/neo4j/graphdb/traversal/TraversalDescription.html#depthFirst()
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For some strange reason I am unable to get the body of this message
through to the mailing list. I'm now giving up and including Dan
directly as a recipient so that at least he gets a response.
On Fri, Aug 20, 2010 at 8:45 AM, Tobias Ivarsson
wrote:
> Hi Dan,
>
> From the segfault
installed)
> - OS X 10.6.3
> - Java Version "1.6.0_20"; Java(TM) SE Runtime Environment (build
> 1.6.0_20-b02-279-10M3065); Java HotSpot(TM) 64-Bit Server VM (build
> 16.3-b01-279, mixed mode)
>
> (I can also get a segfault if wr
d)
> - OS X 10.6.3
> - Java Version "1.6.0_20"; Java(TM) SE Runtime Environment (build
> 1.6.0_20-b02-279-10M3065); Java HotSpot(TM) 64-Bit Server VM (build
> 16.3-b01-279, mixed mode)
>
> (I can also get a segfault if writing outside a transaction.)
>
position.endNode().getProperty('date')
>
> Thanks,
> Bartosz Królikowski
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.3GHz CPU, 4GB RAM (Java 1.6 update 21 and Neo4J 1.0).
>
> Is this normal? Or is the code I'm using faulty? Is there any other
> way to label the connected components?
>
> Regards
> Arijit
>
> --
> "And when the night is cloudy,
> There is still a light that shin
27.n3.nabble.com/Neo4j-neo4j-spatial-and-jython-tp970428p983205.html
> Sent from the Neo4J User List mailing list archive at Nabble.com.
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, CA | 93117
> Phone: 805.617.2167 | Fax: 805.968.0646
> andrew.m...@appfolio.com
> www.appfolio.com
>
> -
> "Web-Based Property Management Software Made Easy."
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>
> // the Route class:
> public static final String COUNT = "count";
> public Integer getCount()
>{
>return (Integer)node.getProperty(COUNT);
>}
>
>
> //
t; any more, just an Iterable? How can
> I
> determine the node I'm supposed to look at when filtering during traversal?
>
> Thanks,
> Christian
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Thanks for all the input guys!
As of revision 4717 these methods no longer exist in trunk. Since this was
just a tentative API.
I will continue experimenting with this API in a branch and it will likely
make it back into the core API in a later release.
Cheers,
Tobias
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Hacker
ead issues.
> >
> > Is there a way to ensure the threads detach from the JVM before dying or
> > something similar to avoid this problem? Right now it is more annoying
> than
> > anything because it fills up the project's main directory with logs (we
> are
utdown();
>}
> }
>
> So Traverser is using the node previously created, in order to iterate over
> database.
> But, how can I perform (simple example), to save user's data when he
> register, and after 10 days when he log in again, to retrieve that data?
> And
>
g/mailman/listinfo/user
> >>
> > ___
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> > https://lists.neo4j.org/mailman/listinfo/user
> >
> >
>
>
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start, I think I messed up
> something, may be you'll suggest to read some links, or simply help me
> with some examples.
>
Looks to me like you're making pretty good progress :) Just shoot any
questions you have to the mailing list and I'm sure you'll be fine :)
> Q: Maybe it would wiser to learn Java and "Springs" instead of
> tricking with Python, Django and REST
Q: *Dummy question* If it would be a java, could somebody explain me
> the bases work with "springs", the main question is: "Would be spring
> web-application work as a single instance, or I'll need to start and
> stop neo4j engine every request ? "
>
Never, under any circumstances, start and stop Neo4j with every request.
That would kill performance. What you want to do with a web application is
to tie the life cycle of Neo4j to the life cycle of your web server (or web
container in the Java case).
For an example of how to do this, see
http://wiki.neo4j.org/content/Servlets_with_Neo4j
This example does not deal with Spring, only with tying the life cycle of
Neo4j to your container. I'm planning on writing an example that uses spring
as well.
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meaning that large portions of your graph will already be cached when you
start doing queries. Whereas the EmbeddedGraphDatabase that started up cold
will have to start caching as you perform your queries.
The second time you run the queries (on the same GraphDatabase instance)
both cases should report
dthFirst()
>.relationships(RelTypes.HAS_CHILD, Direction.OUTGOING)
> .filter(getPredicateForTest(nodeTest))
> ;
>
>
> but got the same InstantiationError.
>
> Thanks,
> Christian
>
>
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rvizi. dal 24/7 al 31/7 SETTE giorni TUTTO
> COMPRESO Euro 690
> *
> Clicca qui: http://adv.email.it/cgi-bin/foclick.cgi?mid=10586&d=27-6
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&
ts
> of the code below that would be disabled by a mutable builder? Is it the
> final on 'friends'? That keyword should not stop modifying the contents of
> friends. ANd you code below does not expose the friends instance to outside
> influences, so no-one can
quivalent.
>
> On Jun 23, 2010 6:41 PM, "Tobias Ivarsson" <
> tobias.ivars...@neotechnology.com> wrote:
>
> On Wed, Jun 23, 2010 at 6:10 PM, Craig Taverner wrote:
> >
> > (I also noticed that r...
> I get that feeling as well. Another feeling I ge
the feeling that the above would expand LOVES,
LIKES and KNOWS relationships, but it will in fact only expand KNOWS
relationships. With and() I don't think that mistake would be as common.
Cheers,
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Hacker, Neo Technology
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Cellphon
) ) {
doSomethingWith(node);
}
Expansion expansion = startNode.expand( KNOWS );
expansion = expansion.including( LIKES );
expansion = expansion.including( LOVES );
Cheers,
Tobias
On Wed, Jun 23, 2010 at 11:14 AM, Tobias Ivarsson <
tobias.ivars...@neotechnology.com> wrote:
> Hi Neo4j en
, so please submit
comments in this thread on what you think about this API.
Happy Hacking,
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lExpander, costEval, estimateEval );
> Path path = sp.findSinglePath( NYC.getUnderlyingNode(),
> SF.getUnderlyingNode() );
>
> thanks
> Paddy
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person = new Person (hit);
> break;
> }
> }
> }
> } finally {
> tx.finish();
> }
> }
> return person;
> }
> ---
>
> Anything wrong ?
>
> Appreciate any advice!
> rgds,
> canal
>
>
>
>
>
t; Ticket URL: <https://trac.neo4j.org/ticket/239>
> neo4j.org <http://trac.neo4j.org/>
> The Neo4J.org Issue Tracker
>
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massive volumes and then doing lookup based on prefixLookup.
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this work.
The way I would design something like this is to let the key be a
combination of index key and index value, then let the value be a list of
ids. But I don't know what the concurrency aspects would be for BaduDB in
this case. Is there a way to lock an entry while modifying it, or are
Because
> if I understand, you mean that I need to use the code
> "keepLogicalLogs( true )" in the same class where I do my backup?
> Sorry for my misunderstanding,
>
> Best,
> Bat
>
> --
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up.
> at org.neo4j.onlinebackup.Neo4jBackup
> $Neo4jBackupTask.prepare(Neo4jBackup.java:362)
> at
> org.neo4j.onlinebackup.Neo4jBackup.runMultiBackup(Neo4jBackup.java:
> 262)
>at org.neo4j.onlinebackup.Neo4jBackup.doBackup(Neo4jBackup.java:196)
> at util.BackupNeo4j.run(B
inebackup.Neo4jBackup.doBackup(Neo4jBackup.java:196)
> at util.BackupNeo4j.run(BackupNeo4j.java:49)
>
> Thanks
>
> Le 09-juin-10 à 14:21, Tobias Ivarsson a écrit :
>
> > You could also use this code to print the classpath:
> >
> >//Get the System
j.run(BackupNeo4j.java:49)
> >
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> import org.neo4j.kernel.EmbeddedGraphDatabase;
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x27;s coolest Bring-a-Thing party.
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.neo4j.graphdb package which should be
> exported from the kernel bundle. Poking around I can't really find a change
> that would have mattered, but maybe someone else with more OSGI experience
> can help out?
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010 at 9:05 PM, Rick Bullotta <
rick.bullo...@burningskysoftware.com> wrote:
> Sounds a lot like "code" ;-)
>
> Rick
>
> -Original Message-
> From: user-boun...@lists.neo4j.org [mailto:user-boun...@lists.neo4j.org]
> On
> Behalf Of Tobias Ivarsson
>
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> Kevin Raison
> Founder, CTO
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> Chatsubo.net, LLC
> 9708 1st Ave NW
> Seattle, WA 98117
> rai...@chats
ly in memory, but I'm really excited
> about neo4j's support for persistence and transactions.
>
> Thanks for any input you have on this. Best,
>
> JP
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t lost here. I would greatly appreciate any pointers on how to do this
> with a SourceSelector or whatever is the right weapon of choice for this
> problem.
>
> Thanks and best regards,
> Georg
>
>
> On 30.03.2010 15:48, Tobias Ivarsson wrote:
>
>> It seems a lot o
end up being C=1, D=2,B=3 and A=4. I'd like to
> >> generate random traversals, so that in the DFS the traverser chooses
> >> the children in random order. By this way I will get many valid
> >> post-order labelings.
> >>
> >> Is this possible in the cu
t;
>
>
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erCompletion
> WARNING: Caught exception from tx
> syncronization[org.neo4j.kernel.impl.core.transactioneventssynch...@edf3f6
> ]
> afterCompletion()
>
> Code details:
>
> URL: https://svn.neo4j.org/components/kernel/trunk
> Repository Root: https://svn.neo4j.org
&
nd
> only one type of relationship since they are the structures that social
> network researchers are the most interested in.
>
> Thanks,
> Alex
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}
>}
>}
> return false;
>}
> }
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#x27;t call tx.success() at the end of a transaction that
> just read data, thus triggering a rollback. Is there any downside to
> doing this?
>
> Garrett
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hope you can say anything about that.
>
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rstand now, you must say where the
> match should happen, that's why the size of the graph doesn't matter,
> right?
>
right.
>
> Great explanation, Tobias!
>
Thank you :)
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www.
> Hi,
>
> Just curious, anyone has numbers about the performance of pattern matching
> in neo4j? Is it possible to use with thousands or millions of nodes?
>
> []s
> Gutemberg
>
>
>
> On Mon, May 10, 2010 at 7:36 AM, Tobias Ivarsson <
> tobias.ivars...@neotechn
in the LICENSE.txt file I see Apache license.
>
> So which is it?
>
>
> --
>
> Regards,
> mk
>
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rnNode instances can match the same
> node if the constraints are ok.
>
> How could I precise that the node matched by the first PatternNode has to
> be different from the node matched by the second PatternNode?
>
> Thank you very much
>
> Fabrice
>
>
>
>
>
>
>
>
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mething?
>
> Thanks.
>
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getBranchId() { ... }
}
There is also a dynamic MBean for getting all the configuration parameters
Neo4j was started with.
It has the ObjectName: org.neo4j:instance=*,name=Configuration
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