Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.
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Hi, we have a strange performance problem with ObjectDB 2.5.3_01 and JBoss 7.1.1 ... separate test environment its speed is very good. We did a performance analysis on our 2 linux servers ... seconds. We pinpointed that from he 53 record performances degrades significantly. On other queries
performance. Reducing Development Time and Costs ObjectDB makes database programming easier and faster ... to shorter time to market and saving in the total development time and costs. Improving Performance ... . Obviously, elimination of conversions, translations and other intermediate operations leads to better performance.
is needed. Small initial size and resize values save space. Larger values can improve performance by ... ) for the recovery file and the database file can improve performance. The max attribute is a hint ... , to avoid thread competition that leads to poor performance. The <index-update> element <index
As noted above, using ObjectDB instead of a relational database and ORM combination is easier and leads to better performance. ORM tools, however, are very useful where the use of a relational ... of both worlds - use ObjectDB when applicable for faster development and better performance and use
. ObjectDB can manage non enhanced classes by using reflection at the cost of performance. The possible ... performance. However, for some applications disabling this ability could be more efficient. The <persist
ObjectDB Enhancer is a post compilation tool that improves performance by modifying the byte code of compiled classes after compilation. Enhancement is mainly for user-defined persistable classes (entity classes, embeddable classes and mapped superclasses), and is usually optional
Describes general configuration and logging of the ObjectDB Java object database for JPA and JDO. the ObjectDB General configuration section.
Explains how to configure and tune ObjectDB, the fast Java object database for JPA/JDO.
All about Is ObjectDB better than competing object databases? in Java/JPA database - explanations, examples, references, links and related information.
Explains how to set and use the EntityManagerFactory's shared cache (L2 / level 2) in JPA 2.