ZooKeeper fields

ZooKeeper metrics collected by the four-letter monitoring commands.

zookeeper

zookeeper contains the metrics reported by ZooKeeper commands.

connection

connections

zookeeper.connection.interest_ops

Interest ops

type: long

zookeeper.connection.queued

Queued connections

type: long

zookeeper.connection.received

Received connections

type: long

zookeeper.connection.sent

Connections sent

type: long

mntr

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

zookeeper.mntr.hostname

ZooKeeper hostname.

type: keyword

zookeeper.mntr.approximate_data_size

Approximate size of ZooKeeper data.

type: long

zookeeper.mntr.latency.avg

Average latency between ensemble hosts in milliseconds.

type: long

zookeeper.mntr.ephemerals_count

Number of ephemeral znodes.

type: long

zookeeper.mntr.followers

Number of followers seen by the current host.

type: long

zookeeper.mntr.max_file_descriptor_count

Maximum number of file descriptors allowed for the ZooKeeper process.

type: long

zookeeper.mntr.latency.max

Maximum latency in milliseconds.

type: long

zookeeper.mntr.latency.min

Minimum latency in milliseconds.

type: long

zookeeper.mntr.num_alive_connections

Number of connections to ZooKeeper that are currently alive.

type: long

zookeeper.mntr.open_file_descriptor_count

Number of file descriptors open by the ZooKeeper process.

type: long

zookeeper.mntr.outstanding_requests

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

type: long

zookeeper.mntr.packets.received

Number of ZooKeeper network packets received.

type: long

zookeeper.mntr.packets.sent

Number of ZooKeeper network packets sent.

type: long

zookeeper.mntr.pending_syncs

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

type: long

zookeeper.mntr.server_state

Role in the ZooKeeper ensemble.

type: keyword

zookeeper.mntr.synced_followers

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

type: long

zookeeper.mntr.version

ZooKeeper version and build string reported.

type: alias

alias to: service.version

zookeeper.mntr.watch_count

Number of watches currently set on the local ZooKeeper process.

type: long

zookeeper.mntr.znode_count

Number of znodes reported by the local ZooKeeper process.

type: long

server

server contains the metrics reported by the four-letter srvr command.

zookeeper.server.connections

Number of clients currently connected to the server

type: long

zookeeper.server.latency.avg

Average amount of time taken for the server to respond to a client request

type: long

zookeeper.server.latency.max

Maximum amount of time taken for the server to respond to a client request

type: long

zookeeper.server.latency.min

Minimum amount of time taken for the server to respond to a client request

type: long

zookeeper.server.mode

Mode of the server. In an ensemble, this may either be leader or follower. Otherwise, it is standalone

type: keyword

zookeeper.server.node_count

Total number of nodes

type: long

zookeeper.server.outstanding

Number of requests queued at the server. This exceeds zero when the server receives more requests than it is able to process

type: long

zookeeper.server.received

Number of requests received by the server

type: long

zookeeper.server.sent

Number of requests sent by the server

type: long

zookeeper.server.version_date

Date of the Zookeeper release currently in use

type: date

zookeeper.server.zxid

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

type: keyword

zookeeper.server.count

Total transactions of the leader in epoch

type: long

zookeeper.server.epoch

Epoch value of the Zookeeper transaction ID. An epoch signifies the period in which a server is a leader

type: long