@Override
    public int hashCode() {
      int hash = hri.hashCode();
      if (regionServer != null) {
        hash ^= regionServer.hashCode();
      }
      hash = (int) (hash ^ modTime);
      return hash;
    }
Stores the regioninfo entries scanned from META
hbase-server/src/main/java/org/apache/hadoop/hbase/util/HbckRegionInfo.java