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Performance in SELECT statement

Hello, I have the following 2 entities : ... also very slow (5-6s for 30.000 inserts). Environment is JBoss Wildfly 9.0.2. Classes are enhanced... regards, paddy ...

 
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coonection pooling

Hi, is it possible to implement a mechanism in object db which redirects a particular user to its database. For example we have an ObjecDB server with 100 databases. On our Jboss server we have a single deployed application with 100 users. Depending on the logged user it will connect to different database when quering the ObjectDB. can we use persistence.xml to define this connection routing or, according to this scheme http://www.objectdb.com/java/jpa/persistence/overview , EntityManagerFactory would be responsible for this operation. ... we have an ObjecDB server with 100 databases. On our Jboss server we have a single deployed application with 100 users. Depending on ...

 
forum_thread

Embedded Database Replication

As we all know, embedded databases out perform server databases on every occasion. The problem with embedded databases is that theyre difficult to scale. If I were to create an entire enterprise web application within a single jar file using embedded tomcat and embedded objectdb I would run into problems trying to cluster the data. Is there a way to cluster embedded objectdb? Perhaps some kind of external replicator application that can be used by server administrators to ensure replication is optimal and healthy?... is optimal and healthy? Alternatively some kind of jboss style UDP broadcast from each embedded instance? ...

 
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Object Relations Error after Schema Change

Hi we have a problem with relations in OBjectDB 2.4.6, the problem occured after we changed relations in few clases. Specificaly we deleted relation pointing to one class and created new relation to third class. If we restart both ObjectDB and Jboss everything works fine for a short period. Attached is a ObjectDB error message. Kind regards. ... to third class. If we restart both ObjectDB and Jboss everything works fine for a short period. Attached is a ObjectDB ...

 
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Criteria query error: Unexpected query token

Using JPA2, I can save entities now in JBoss, and also fetch them uniquely by id. However, if I try to fetch it by getting back all instances (e.g. findAll, I get the following error:   ... Using JPA2, I can save entities now in JBoss, and also fetch them uniquely by id. However, if I try to fetch it by ... (e.g. findAll, I get the following error: org.jboss.arquillian.spi.ArquillianProxyException: ...

 
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Web Framework Recommendation for leveraging JPA + ObjectDB

Hello dear ObjectDB Community ! First of all let me tell You: I am glad that I have revisited ObjectDB just recently; because with its newly added JPA compliance and affordability, it seems like a natural match to me. I have the following understanding: If I persist standardly against JPA/JDO, I can switch Persistence Engines as I see fit later on ! So that I can easily switch to a true OODBMS like ObjectDB, for instance. ... and JSPs. Java EE application server (JBoss / GlassFish) with servers, JSPs, JSF and EJB. Spring MVC ...

 
forum_thread

Externalising persistence.xml properties in Glassfish?

Hi, ... with ObjectDB as the datastore either with Glassfish/JBoss and having environment specific datastore properties being build ...

 
tutorial

Step 3: Define an EJB Session Bean

Explains how to define an EJB session bean in a NetBeans Java EE web application.... by Java EE application servers such as GlassFish and JBoss, and not by servlet containers, such as Tomcat and Jetty. By ...