public List<String> getMetaReplicaNodes() throws KeeperException {
    List<String> childrenOfBaseNode = ZKUtil.listChildrenNoWatch(this, znodePaths.baseZNode);
    return filterMetaReplicaNodes(childrenOfBaseNode);
  }
Get the znodes corresponding to the meta replicas from ZK
@return list of znodes
@throws KeeperException if a ZooKeeper operation fails
hbase-zookeeper/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKWatcher.java