ZooKeeper metrics collected by the four-letter monitoring commands.
zookeeper contains the metrics reported by ZooKeeper commands.
mntr contains the metrics reported by the four-letter
Approximate size of ZooKeeper data.
Average latency between ensemble hosts in milliseconds.
Number of ephemeral znodes.
Number of followers seen by the current host.
Maximum number of file descriptors allowed for the ZooKeeper process.
Maximum latency in milliseconds.
Minimum latency in milliseconds.
Number of connections to ZooKeeper that are currently alive.
Number of file descriptors open by the ZooKeeper process.
Number of outstanding requests that need to be processed by the cluster.
Number of ZooKeeper network packets received.
Number of ZooKeeper network packets sent.
Number of pending syncs to carry out to ZooKeeper ensemble followers.
Role in the ZooKeeper ensemble.
Number of synced followers reported when a node server_state is leader.
ZooKeeper version and build string reported.
alias to: service.version
Number of watches currently set on the local ZooKeeper process.
Number of znodes reported by the local ZooKeeper process.
server contains the metrics reported by the four-letter
Number of clients currently connected to the server
Average amount of time taken for the server to respond to a client request
Maximum amount of time taken for the server to respond to a client request
Minimum amount of time taken for the server to respond to a client request
Mode of the server. In an ensemble, this may either be leader or follower. Otherwise, it is standalone
Total number of nodes
Number of requests queued at the server. This exceeds zero when the server receives more requests than it is able to process
Number of requests received by the server
Number of requests sent by the server
Date of the Zookeeper release currently in use
Unique value of the Zookeeper transaction ID. The zxid consists of an epoch and a counter. It is established by the leader and is used to determine the temporal ordering of changes
Total transactions of the leader in epoch
Epoch value of the Zookeeper transaction ID. An epoch signifies the period in which a server is a leader