Hi Massimo,
I'm terribly sorry, I've had a lot of things on my plate, and this sadly
fell off. Thanks for the reminder!
Could you please try lowering the heap size (to somewhere between 512M-1G
with your available RAM). The Neo4j memory mapping is managed outside of the
Java heap. What you want
No there is no simpler way, yet. We've been thinking about creating a short
string compression tool for accomplishing this, but haven't done so yet.
Cheers,
Tobias
On Thu, Mar 3, 2011 at 11:35 AM, Balazs E. Pataki pat...@dsd.sztaki.huwrote:
Hi,
I have a big database based on Neo4J 1.2. Now,
Hi Balazs,
you have to manually copy all nodes and relationships from one to the
other database. I have written a tool for that and posted some code here
[1].
But take care, in the posted version in [1], relationship properties
were not copied. To fix that, you have to replace
On Wed, Mar 2, 2011 at 12:14 PM, Peter Neubauer
peter.neuba...@neotechnology.com wrote:
Well,
you can set the reference node to anything, so you could do
graph.delete();
newRoot = neo4j.createNode();
neo4j.setReferenceNode(newRoot);
I bet this is the problem: the reference node gets
Thank you all for the replies. I will try Axel's solution.
Regards,
---
balazs
On 3/3/11 12:08 PM, Axel Morgner wrote:
Hi Balazs,
you have to manually copy all nodes and relationships from one to the
other database. I have written a tool for that and posted some code here
[1].
But take
Mmh,
maybe this could be in some Utilities class? Seems a good thing to be
able to clone a graph ...
Cheers,
/peter neubauer
GTalk: neubauer.peter
Skype peter.neubauer
Phone +46 704 106975
LinkedIn http://www.linkedin.com/in/neubauer
Twitter
+1
On 03.03.2011 12:25, Peter Neubauer wrote:
Mmh,
maybe this could be in some Utilities class? Seems a good thing to be
able to clone a graph ...
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Well,
reference nodes are not part of the Blueprints API. Neo4j is not
decided yet how and if to change the reference node approach. Either
make it a setup option, keep it, or remove it totally.
Marko is coming over in April, so there will be fighting at the Malmö
office over this :)
Cheers,
You could use GraphMigrator from Blueprints:
https://github.com/tinkerpop/blueprints/blob/master/src/main/java/com/tinkerpop/blueprints/pgm/util/graphml/GraphMigrator.java
Check out *testMigratingTinkerGraphExample3()* in this test case for usage:
What would be the consequence of running a background thread that iterated
through all nodes and relationships, and if any had a short string property,
it would re-save the property? I assume the properties store would get a lot
of empty space in the beginning, or would old-id reuse kick in and
On Thu, Mar 3, 2011 at 12:30 PM, Peter Neubauer
peter.neuba...@neotechnology.com wrote:
Well,
reference nodes are not part of the Blueprints API. Neo4j is not
decided yet how and if to change the reference node approach. Either
make it a setup option, keep it, or remove it totally.
Marko is
Hi Tobias,
Do you happen to have some little class which can at tell us which
property values neo4j would consider short and which of your 6 encoding
would it use? Maybe the string statistics collecting program you created
earlier has this logic - but I'm just guessing.
Thanks,
---
balazs
On
Yes, the statistics tool almost does that, but with a wider range of
possible encodings.
What would you want from a class like that? Give it a string as input and
have it tell you if it is short or not? Or go through an existing store and
tell you how many of the strings are short?
-tobias
On
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