public boolean hasRegionsOverThreshold() {
      Map<String, RegionState> m = this.ritsOverThreshold;
      return m != null && !m.isEmpty();
    }
Check that what the RegionServer reports aligns with the Master's image. If disagreement, we
will tell the RegionServer to expediently close a Region we do not think it should have.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/AssignmentManager.java