db4o Developer Community

In this session Carl and Norberto demonstrate how to get started with the 1st db4o performance contest. (Watch on-line without downloading here)

In this session Carl and Patrick add a method to a Poleposition benchmark circuit to verify that the work done for COR-1126 produces significant performance improvements. This Paircast demonstrates: how a correct Poleposition setup looks like configuring Poleposition running Poleposition the key principles of Poleposition adding a method ...

I/O access times play a crucial role in the overall performance of a database.That is why we introduce two tools tomeasure the actual I/O performance of a system as seen by db4osimulate the behaviour of a slower system on a faster oneAll the code presented in this article can be found in the db4otools project / com.db4o.bench package. SVN: ...

[This is a lightly edited version of a note I sent to Pieter on 11/7/2006. We decided to put our email exchange up on this web site] Hi Pieter, We took a quick look at your benchmark, and I think that there is some serious problem with your Hibernate code. Are you executing a query for each of the 1000 items you are returning? Also, are ...

db4o 55x Faster than Hibernate in OO7 Benchmark Native Object Persistence Solution Eliminates Object-relational Mismatch with Higher Performance in 19 of 20 Test Cases SAN MATEO, Calif., Sep. 28, 2006 - db4objects, creator of the leading open source object database for Java and .NET, today announced that another ...

New implementation of 1993 standard benchmark shows significant performance benefits from using object databases rather than object-relational mappers   SAN FRANCISCO, Calif., Sep. 26, 2006 - ODBMS.ORG, a vendor-independent, non-profit group of high-profile software experts lead by Prof. Roberto Zicari, announce that a ...