About performance

forum_thread

Incremental online backup

Hello, Are there plans for ObjectDB to handle incremental online backups, where a backup does not create a whole new copy of the DB, but "updates" an existing backup? This behavior would make backups much faster as only a portion of the data would need to be copied. Such a feature would also allow to perform backups more often, several times a day, in order to always have a backup that's closer to the current state of the DB. Thank you #1 2016-04-07 10:19 Hello, Are there plans for ObjectDB to handle incremental online backups, where a backup does not create ...

 
forum_thread

ObjectDB Full-Text Search

Is there any way to perform a Full-Text Search using ObjectDB and Lucene or something similar? If so, how? Are there any examples available? #1 2014-03-06 16:41 Is there any way to perform a Full-Text Search using ObjectDB and Lucene or something similar? If so, how ...

 
forum_thread

JBoss 7.1 and EAP 6 support

I understand that keeping up with a new version can be difficult. Having said that, JBoss 7.1.1 Final was released in early March and Enterprise Application Platform (EAP) 6, the fully supported version by RedHat which is based on 7.1, has been released recently. I would really like to use ObjectDB since I believe that I will need the performance gains you show. Is there a plan to support this version of JBoss? I would also like to ask when but I know timeframes are not really known in advance, let me just state that my project will need to go live in about 4 weeks. ... like to use ObjectDB since I believe that I will need the performance gains you show. Is there a plan to support this version of JBoss? I ...

 
tutorial

Step 3: Define an EJB Session Bean

Explains how to define an EJB session bean in a NetBeans Java EE web application. Operations on the database will be performed by an instance of a session bean (EJB) class that we will define in this step: Open the [New Session Bean] dialog box by right clicking the guest package node (in the [Projects] window), sel ...

 
api-jpa

ValidationMode.NONE

The persistence provider must not perform lifecycle event validation.(Enum Constant of javax.persistence.ValidationMode)

 
forum_thread

Processing thread count for 8-core server

In reference to the information here:  http://www.objectdb.com/java/jpa/setting/database#The_processing_element_   We are working with an 8-core processor.  The recommended thread count is "more than the number of cores but not too many."  What would be an appropriate number of threads for the processing thread pool in order to get good performance for our 8-core server? ... for the processing thread pool in order to get good performance for our 8-core server? ...

 
api-jdo

jdoNewInstance(sm)

Return a new instance of this class, with the jdoStateManager set to the parameter, and jdoFlags set to LOAD_REQUIRED.(Method of javax.jdo.spi.PersistenceCapable)

 
forum_thread

Query results are not up to date for entities, not primitives

When using the CriteriaBuilder to query, the retrieved list are not refreshed according to the latest updates. But, when using the JPQL Query, the list are refreshed. What is the problem? #1 2014-09-27 17:42 When using the CriteriaBuilder to query, the loaded list are not refreshed according to the latest updates. B ...

 
api-jpa

find(entityClass, primaryKey, lockMode, properties)

Find by primary key and lock, using the specified properties.(Method of javax.persistence.EntityManager)

 
api-jpa

find(entityClass, primaryKey, lockMode, properties)

Find by primary key and lock, using the specified properties.(Method of javax.persistence.EntityManager)