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  1. OptaPlanner
  2. PLANNER-472

VariableListenerSupport.beforeVariableChanged() is severly slower (from CR1 to CR2) due to HashSet.add() usage

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    Description

      See PLANNER-471. See screenshot to show the 10% perf loss due to this.

      Screenshot is done with JProfiler with sampling instead of instrumentation (as the latter hides it).

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          is caused by

          Bug - A problem that impairs or prevents the functions of the product. PLANNER-252 VariableListeners for shadow variables that are triggered on other shadow variables should be triggered predictably in a smart order

          • Blocker - To be worked above all other priorities. This term is chosen when the severity of the issue is very high, has no workaround, or the effort for the change is comparatively low. Issues that may be very publicly visible and could generate significant media attention may also drive a higher priority.
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              gdesmet@redhat.com Geoffrey De Smet (Inactive)
              gdesmet@redhat.com Geoffrey De Smet (Inactive)
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