ZooKeeper metrics collected by the four-letter monitoring commands.

zookeeper Fieldsedit

zookeeper contains the metrics reported by ZooKeeper commands.

mntr Fieldsedit

mntr contains the metrics reported by the four-letter mntr command.

zookeeper.mntr.hostnameedit

type: keyword

ZooKeeper hostname.

zookeeper.mntr.approximate_data_sizeedit

type: long

Approximate size of ZooKeeper data.

zookeeper.mntr.latency.avgedit

type: long

Average latency between ensemble hosts in milliseconds.

zookeeper.mntr.ephemerals_countedit

type: long

Number of ephemeral znodes.

zookeeper.mntr.followersedit

type: long

Number of followers seen by the current host.

zookeeper.mntr.max_file_descriptor_countedit

type: long

Maximum number of file descriptors allowed for the ZooKeeper process.

zookeeper.mntr.latency.maxedit

type: long

Maximum latency in milliseconds.

zookeeper.mntr.latency.minedit

type: long

Minimum latency in milliseconds.

zookeeper.mntr.num_alive_connectionsedit

type: long

Number of connections to ZooKeeper that are currently alive.

zookeeper.mntr.open_file_descriptor_countedit

type: long

Number of file descriptors open by the ZooKeeper process.

zookeeper.mntr.outstanding_requestsedit

type: long

Number of outstanding requests that need to be processed by the cluster.

zookeeper.mntr.packets.receivededit

type: long

Number of ZooKeeper network packets received.

zookeeper.mntr.packets.sentedit

type: long

Number of ZooKeeper network packets sent.

zookeeper.mntr.pending_syncsedit

type: long

Number of pending syncs to carry out to ZooKeeper ensemble followers.

zookeeper.mntr.server_stateedit

type: keyword

Role in the ZooKeeper ensemble.

zookeeper.mntr.synced_followersedit

type: long

Number of synced followers reported when a node server_state is leader.

zookeeper.mntr.versionedit

type: keyword

ZooKeeper version and build string reported.

zookeeper.mntr.watch_countedit

type: long

Number of watches currently set on the local ZooKeeper process.

zookeeper.mntr.znode_countedit

type: long

Number of znodes reported by the local ZooKeeper process.