[jira] [Created] (CALCITE-3885) Reestablish trace logging for rules queue and Volcano planner

[Roman Kondakov (Jira)]

Roman Kondakov created CALCITE-3885:
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             Summary: Reestablish trace logging for rules queue and Volcano 
planner
                 Key: CALCITE-3885
                 URL: https://issues.apache.org/jira/browse/CALCITE-3885
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: Roman Kondakov
             Fix For: next


After fixing CALCITE-3753 the opportunity of tracing the rules queue and 
{{VolcanoPlanner}} search space state is disappeared.  We should restore this 
opportunity.



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