Re: [rules-users] OptaPlanner scalability

Hi, I tested Optaplanner successfully for a fleet planning application. Upto 1200 trips with around 80 vehicles for 3 days is fine. I'm reaching the target of 0 hard constraints in less than 30 minutes. But my target is to plan for a month with 12000 trips using 80 vehicles. This time it didn't complete even after 12 hours. I found the memory (< 500 MB) and CPU (25%) usage is less. So tried running 3 solver threads and grouping the vehicles. Now CPU usage increases. I followed the vehicle routing sample application and the config xml is very similar. I used late acceptance (200) and accept count (1000). I'm using incremental score calculation; and applied change & swap filters in the config xml. Requesting experts for some thoughts on how Optaplanner can scale on similar situations.

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