OptaPlanner

Do you want OptaPlanner to run faster? Do you want to increase your score calculation speed, reaching great solutions sooner? Let me show you how to optimize your Constraint Streams constraints for performance and scalability. Turns out you only ... [More] need to remember one advice: Do less The key to well-performing constraints is limiting the amount of data... [Less]

Do you want to understand what OptaPlanner is doing while it is solving? Which decisions it makes? When? And why? Do you want to open the box and take a look inside? If so, keep reading. The Age ...

Do you want to understand what OptaPlanner is doing while it is solving? Which decisions it makes? When? And why? Do you want to open the box and take a look inside? If so, keep reading. The Age of Enlightenment centered on the use of reason and the evidence of the senses. Similarly, OptaPlanner enlightenment...

If I want to solve many data sets of a planning problem every night, what architecture can easily scale out horizontally without loss of data? In this article, we will take a look at how to use a transactional ActiveMQ queue in front of a set of stateless OptaPlanner pods. Client applications...

If I want to solve many data sets of a planning problem every night, what architecture can easily scale out horizontally without loss of data? In this article, we will take a look at how to use a ...

COVID-19 vaccination appointment scheduling has proven to be a world-wide challenge. People eligible for vaccinations haven’t been able to secure appointments despite repeated attempts. Those ...

COVID-19 vaccination appointment scheduling has proven to be a world-wide challenge. People eligible for vaccinations haven’t been able to secure appointments despite repeated attempts. Those scheduled for vaccinations sometimes arrive at a ... [More] vaccination center only to learn that their appointment has been canceled. Others find that they share the same... [Less]

Java 15 was released on the 15th of September 2020 and has promised to bring with it a few performance tweaks in its G1GC and ParallelGC garbage collectors. What does it mean for OptaPlanner? Are ...

Java 15 was released on the 15th of September 2020 and has promised to bring with it a few performance tweaks in its G1GC and ParallelGC garbage collectors. What does it mean for OptaPlanner? Are there any benefits to be gained from upgrading from JDK11 to JDK15? In 2019, we found out that ParallelGC...

We have created a new quickstart that extends OptaPlanner use case portfolio with the facility location problem and also demonstrates building a cloud-native application using Quarkus, the new ...