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Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities

(which requires some re-coding and has performance consequences when large relationship hierarchies ... all the benefits of lazy loading of course. 2. Perform the query within a @Stateful session bean

JBoss 7 startup fails

] (MSC service thread 1-3) The Apache Tomcat Native library which allows optimal performance in ... which allows optimal performance in production environments was not found on the java.library.path

High availability and other pratical questions

DB seems to be with superior performance would you recommend using it with TomEE+ instead ... the main Tomcat server will improve performance. You should be able to access embedded ObjectDB

@Convert is not supported?

but they are singletones and immutables... This is what i can achieve if i have abillity to perform some custom code ... . You wrote: "This is what i can achieve if i have ability to perform some custom code

Server vs embedded mode in multi-instance scenario

connections from multiple instances. But from what I can tell, there will be about a 50% performance drop ... otherwise, with such a big performance improvement for embedded mode, but maybe that has a limit

More Efficient Primary Keys

with the Column annotation? d) Or would you recommend something else? Finally, how much performance ... if a composite of two longs can produce any performance gain over a single string. support Support

Massive schema update

Hello, I need to rename/move a lot of classes in my project. I know how to do it with the <schema> configuration element, but it's a big database, and I guess that I am going to have a performance ... ? Thanks in advance. Best Regars, Pablo. Pablo Berra Pablo Berra The effect on performance of schema

Duplicate a table

for this purpose. Use enhanced classes to get best performance in reading and writing the objects. The impact of object instantiation on performance should be minor. support Support

NullPointerException when using multithreading

performance may be improved by: Enhancing the code. Using embedded mode instead of client server ... ! ObjectDB is performing very well now that I have adjusted my executor and allowed for enough time

Threaded Test - Failed to commit transaction: Unexpected internal exception

with JDK 1.5 and had the performance problem as you described. The problem is indeed in running ... . support Support Agreed - I've split the entity and performance is much improved and consistent. Thanks

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

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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