Uploaded image for project: 'OptaPlanner'
  1. OptaPlanner
  2. PLANNER-561

OutOfMemoryException due to memory leak of LocalSearchMoveScope when the best solution doesn't improve for a long time and no moves are accepted

XMLWordPrintable

    • Icon: Bug Bug
    • Resolution: Done
    • Icon: Critical Critical
    • 7.37.0.Final
    • 6.3.0.Final
    • optaplanner-core
    • None
    • 2020 Week 13-15 (from Mar 23), 2020 Week 16-18 (from Apr 13), 2020 Week 19-21 (from May 4)
    • 1
    • NEW
    • NEW

      Occurs when no moves are accepted for a long time.
      The AbstractFinalistPodium's List<LocalSearchMoveScope> finalistList just grows and grows and grows until OutOfMemoryException.

      Cases when no moves are accepted:

      • Tabu Search on 5 entities with tabu size 7.
        ...

        1. Selection_351.png
          Selection_351.png
          53 kB
        2. tutorial-01-uncapacitated_test.vrp
          0.2 kB
        3. vehicleRoutingSolverConfig.xml
          2 kB

              gdesmet@redhat.com Geoffrey De Smet (Inactive)
              gdesmet@redhat.com Geoffrey De Smet (Inactive)
              Votes:
              1 Vote for this issue
              Watchers:
              4 Start watching this issue

                Created:
                Updated:
                Resolved: