private void updateRegionsInTransitionMetrics(final RegionInTransitionStat ritStat) {
    metrics.updateRITOldestAge(ritStat.getOldestRITTime());
    metrics.updateRITCount(ritStat.getTotalRITs());
    metrics.updateRITCountOverThreshold(ritStat.getTotalRITsOverThreshold());
  }
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