db4o Developer Community

After his last blog post about integrating db4o with Grails here's Steve Zara's follow up blog post about testing db4o performance. For this usecase db4o proved to be much faster than an ORM solution and also as fast a pure cache system with all the advantages of using a database system (eg queries). Way to go!

We invite you to participate in the db4o performance contest which will give away 6000 USD in prizes! Basically participants will provide patches to the db4o core that impact on performance and then these modifications will be judged by the community to select the winners. In order to make the whole process easier we're providing the ...

We're just having a db4o global conference in Berlin. Here's what I have suggested before and just desided to work on this year, ChunkIO(Clustered Reads/Writes). - Who is the target? device guys - What is the purpose of chunkIO? By providing a way to control the number of IOs, to help users achieve reliable responses on serious ...

Time and time again, people ask about how to best manage disconnected object identity when using db4o. This is primarily a problem in web applications or web services since objects tend to live much longer than the connection to the database. db4o only ''knows'' about an object if it's in the same virtual machine and the connection to the database ...

When I tell people about db4o, I will always mention the following two things: It cuts your development time significantly (25% or more I would say). No more creating database schemas and making mapping files to map from your objects to your tables.It’s FAST! As in faster than that relational database you’re using right now. Now a note on ...