What is the relationship between ZooKeeper and HDFS?

1

ZooKeeper Failover Controller (ZKFC) is the client of a ZooKeeper cluster that monitors the status of HDFS NameNodes. The ZKFC process is deployed only on the node where a NameNode is deployed. It can be deployed on both the active and standby NameNodes.

Other related questions:
Relationship between ZooKeeper and HDFS
ZooKeeper Failover Controller (ZKFC) is the client of a ZooKeeper cluster that monitors the status of HDFS NameNodes. The ZKFC process is deployed only on the node where a NameNode is deployed. It can be deployed on both the active and standby NameNodes.

What is the concept of ZooKeeper?
ZooKeeper is an open-source, distributed application coordination service. It prevents single points of failure and helps create reliable distributed applications.

Relationship between the Elk database and HD
Elk is an SQL on Hadoop solution. It is a component of HD and provides excellent SQL query performance and compatibility on HD.

If you have more questions, you can seek help from following ways:
To iKnow To Live Chat
Scroll to top