HDP 2.2.6 provides ZooKeeper 3.4.6 and the following additional Apache patches:
ZOOKEEPER-1506: Re-try DNS hostname -> IP resolution if node connection fails
HDP 2.2.6 provides ZooKeeper 3.4.6 and the following additional Apache patches:
ZOOKEEPER-1506: Re-try DNS hostname -> IP resolution if node connection fails