public void deleteAllData() throws KeeperException {
    ZKUtil.deleteNodeRecursively(zookeeper, queuesZNode);
    ZKUtil.deleteNodeRecursively(zookeeper, regionsZNode);
    ZKUtil.deleteNodeRecursively(zookeeper, hfileRefsZNode);
  }
Pair&lt;PeerId, List&lt;HFileRefs&gt;&gt;
hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/ZKReplicationQueueStorageForMigration.java