If you choose to use the server or if you choose the embedded database will
have a significant impact on how those results turn out. For performing
large queries, the server should not be much slower than the embedded
database. It will be significantly slower (more than two orders of
magnitude) on
Thanks again for the answer but my system is actually a benchmarking system!
In other words I am trying to find out if there are performance
difference between the 2 DBs not through an application.
On 10/7/11 1:36 PM, Jim Webber wrote:
> Hi Antriani,
>
>> Ok, but the REST API doesn't produce more
Hi Antriani,
> Ok, but the REST API doesn't produce more network overhead (i.e.
> HTTP...) compared to a driver implementation using sockets for access
> for example MySQL JDBC ?
I have no data to support this, but I'm going to make an educated guess and say
that the MySQL JDBC driver is over
Ok, but the REST API doesn't produce more network overhead (i.e.
HTTP...) compared to a driver implementation using sockets for access
for example MySQL JDBC ?
On 10/7/11 12:53 PM, Jim Webber wrote:
> Hi Antriani,
>
> Since Neo4j is an embedded database, the "equal" is quite legitimately to use
Hi Antriani,
Since Neo4j is an embedded database, the "equal" is quite legitimately to use
the Java APIs.
If you want to introduce network and serialisation overhead, then use the REST
API.
But I really believe that you should measure the performance of your *system*
not just your database. S
Ok,thanks!
Do you have any suggestions as to what is the best way to use neo4j to
benchmark it against a mysql database (with an "equal" in communication
overhead manner)?
On 10/7/11 12:23 PM, Jim Webber wrote:
> Hi,
>
> When using Neo4j in embedded mode, communication with the database is via
Hi,
When using Neo4j in embedded mode, communication with the database is via
in-process Java method calls* since the database resides in your process.
However when Neo4j is used in HA mode (irrespective of whether it is embedded
or server), then it will use sockets to maintain consistency of
Hi,
When using Neo4j as an embedded database in a Java Application how is the
communication made with the database i.e. via sockets? via Inter-process
with shared memory or remote procedure calls or something else?
Thanks,
a.
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Cheers. :)
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Neo
Hi!
Neoclipse instantiates an EmbeddedReadOnlyGraphDatabase to read the
database.
Regarding monitoring, have a look here:
http://docs.neo4j.org/chunked/snapshot/tutorials-java-embedded-jmx.html
and here:
http://docs.neo4j.org/chunked/snapshot/operations-monitoring.html
/anders
On 08/09/2011 12
Just out of interests, what about neoclipse? I think I can run neoclipse in
read-only mode parallel with the working database. How can I achieve the
same thing?
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Thanks a lot! :)
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_
JMX is a asynchronous monitoring mechanism employed by the jvm to visualize a
plenthora of information.
Just start jconsole from your local jdk installation, and point it to any
running virtual machine. On the last mbeans tab you see the custom mbeans
registered by that app. If you point it at
Sorry, but I'm not familiar with JMX. Would that mean that I'm allowed to
connect to the database and query something and return that in JSON so
Google Chart can display that on the web which the front-end is still
running and being used by user? So, the back-end can display real-time data?
--
Vi
This information (# of nodes and rels) is available using JMX which can be
queried separately without accessing the graphdb.
You can provide similar custom monitoring by adding JMX MBeans to your app.
Then those can be viewed using jconsole or a similar tool.
Cheers
Michael
Am 08.08.2011 um 2
I'm building an application with embedded database, but also I'm trying to
build a monitoring tool where it will shows me how many relationships, nodes
and categorise those nodes to represent in some kind of charts using google
chart. My question would be in embedded database, it only allows one
in
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