Same probelm here. Downloaded neo4j-enterprise-1.4.M02-unix.tar.gz with
deafult installtion on Linux. Added the foolwoing lines to neo4j.properties
file:
node_auto_indexing=true
node_keys_indexable=name,age
relationship_auto_indexing=true
relationship_keys_indexable=ROOT,KNOWS,CODED_BY
Where is the GA version download link? I can't find it in
http://neo4j.org/download.
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Does any one know how to cascade delete all connected nodes from neo4j shell?
We are in the process of refining bulk loading large number of nodes/edges
process. It doesn't appear that in neo4j shell rmrel rmnode have the
options to do that, does it?
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I am looking for ways to delete all connected nodes that can be reached
thought any or sepcific relationships, i.e., deleting all
nodes/relationships other than the reference node (node 0). A smilar
capability in RDBMS is called cascade delete through foreign keys from the
parent table.
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Does one need to specify the following list of node_keys_indexable
relationship_keys_indexable in neo4j.property to enable auto indexing for
those node/relationship properties? Also, will they work if those properties
were created prior to adding the list in neo4j.property file?
I installed a 2-node HA neo4j linux cluster based on instructions provided in
http://wiki.neo4j.org/content/High_Availability_Cluster. For standalone
deafult neo4j server there is a neo4j-server.properties file in which it
contains a line
org.neo4j.server.webserver.port=7474
that allows webadmin
The HA cluster is for testing initially. If everything works fine, we'll need
to put them in production. if you have detailed production installation
guide, that will be great. It appears that there are additonal setup
procedure for the Neo4j coordinators. We also need similar weadmin or other
As I mentioned earlier in this thread, I have installed a 2-node neo4j HA
server cluster with 3-node zookeeper as described in your wiki
http://wiki.neo4j.org/content/High_Availability_Cluster. I wonder if the
same steps are also the recommendation to deploy in Production? The reason I
ask is
I am not clear how HA clsuter configuration inlcudes other neo4j property
files so that webserver can start since in your wiki the recommended way to
start HA clsuter includes only ha-server1.conf as shown below:
$ java -cp all jars and StartLocalHaDb class StartLocalHaDb hadb1
ha-server1.conf
We installed neo4j HA cluster exactly as described in your wiki page
http://wiki.neo4j.org/content/High_Availability_Cluster with the intent to
move them to full production using commercial license if PoC proves to work
for VERY LARGE SCALE graph data ( 200M node + 1B edges) in a HA
environment.
On a separate note, I am having a hard time to use your Cypher query. The
only example I found was
http://blog.neo4j.org/2011/06/kiruna-stol-14-milestone-4.html and it is
hardly usefull. If you could, I would like to get the following info for
Cypher:
(1) A step-by-step tutorial preferrably using
Any one who is familiar with RDBMS will have no difficulty writing SQL to
explore their data. In Microsoft SQL Server Management Studio, it even
allows one to visually drag-n-drop tables and generates complex join SQL
queries. That said, I am not asking neo4j to support this level of
usability.
neo4j-sh (0)$ start morpheus = (node_auto_index, name, 'Morpheus') match
morpheus-[:KNOWS]-zionist where zionist.age? 32 return zionist.name order
by zionist.name desc skip 1 limit 5
org.neo4j.cypher.SyntaxException: string matching regex `(?i)\Qreturn\E'
expected but `?' found
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Thanks, the 2 Cypher queries you provided work now. In your sample
(1) You put start x = (*node_auto_index *, name, However, in my
neo4j.property it has *node_auto_indexing*=true. They don't really match
literally, do they?
(2) Is there a way in Cypher to select all property values as in SQL
Thanks Peter for puting together the new wiki page to help future neo4j users
undersatanding how to use Cypher with the Matrix graph example
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Hi Andreas, thanks for offering a sample application that shows how to
configure webadmin with HA cluster. Kindly let me know when you have the
infomation available in your Wiki, preferrably a link that can be navigated
from the http://wiki.neo4j.org/content/High_Availability_Cluster
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Hi Michael,
I was trying to run Win32 Neoclipse 1.4 on Linux Neo4j HA standalone
servers to replace the webadmin graph. I wonder if you have figured out a
way to do that other than exporting the Samba/NFS from Linux side? Also like
other Neo4j clients, Neoclips should not be the sole user that
2. change the mode to remote
Where is the place in Neoclips that I can set this remote mode?
4. open the dialog again, the Database Resource URI field is now enabled.
Where does the Database Resource URI field shows up in Neoclipse?
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If your project plans to switch to HA cluster, you may want to take a look at
the topic How to run webadmin for high availability neo4j custer? I
posted. As of now, I am still waiting for someone from Neo4j dev team to
respond to my reqeust:
Hi Andreas, thanks for offering a sample application
Thanks Andreas for the update on this topic. Please keep us posted once you
finish the wiki doc.
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Hi Andreas,
In later versions of Neoclipse, there's no remote mode. To inspect a running
DB you can use the read-only mode
Not sure what do you mean by use read-only mode to inspect running DB.
The question here is how to connect Neoclipse to remote server and you
said that it is not supported
it appears that one of the SQL Importer component
LuceneIndexBatchInserterImpl from
https://svn.neo4j.org/laboratory/users/peter/sqlimport/ is no longer
supported in current v1.4 (last supported in v1.2). ISo that begs the
question if SQL Importer still a via way to import SQL data into Neo4j?
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Thanks for the offer. I try to attach the data model diagram I intend to
import into Neo4j. However, once I click either Insert Image or Upload a
file button, the Post Message button dispperas from my IE Firefox
brower. Please advise how can I send you the diagram. A quick question on
data
Please download data model diagram from:
http://s1218.photobucket.com/albums/dd412/dhsieh4/Neo4j/?action=viewcurrent=Data_Model.jpg
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to comment on that diagram, can items be in one category, and be part
of a product that is part of another category?
Yes, that is possible
Also, what does the SQL you are trying to import look like? Should it
be converted into this schema?
Yes, pleaes use this schema as the source and the
According to http://docs.neo4j.org/chunked/stable/ha-architecture.html, this
is my understanding and I would like for confirmation from Neo4j:
A slave will handle writes by synchronizing with the master to preserve
consistency.
It sounds like 2-phase commit between write initiated slave master
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