[jboss-jira] [JBoss JIRA] (JBRULES-3624) Memory leak in Planner benchmarker statistic: the Solver instance lives beyond SingleBenchmark.call()

[Geoffrey De Smet (JIRA)]

Geoffrey De Smet created JBRULES-3624:
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             Summary: Memory leak in Planner benchmarker statistic: the Solver instance lives beyond SingleBenchmark.call()
                 Key: JBRULES-3624
                 URL: https://issues.jboss.org/browse/JBRULES-3624
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: drools-planner
            Reporter: Geoffrey De Smet
            Assignee: Geoffrey De Smet
            Priority: Critical


It's not noticeable for small or medium problems, because the number of Solvers is relatively low (1-100 per benchmark). But a Solver has a clone of the Solution, so for really big problems, for which the Solution takes a big chunk of the memory, this memory leak causes OOM after a few single benchmarks, usually near the end after running a long time. Big PITA in that case.

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