protected boolean isRegionStale(String encodedName, long time) {
    long lastRefreshTime = lastRefreshTimes.get(encodedName);
    return time - lastRefreshTime > hfileTtl - period;
  }
Whether all storefiles should be refreshed, as opposed to just hbase:meta's Meta region doesn't
have WAL replication for replicas enabled yet
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StorefileRefresherChore.java