ZooKeeper fields
Stack
ZooKeeper metrics collected by the four-letter monitoring commands.
zookeeper contains the metrics reported by ZooKeeper commands.
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 contains the metrics reported by the four-letter mntr command.
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 (Up to ZooKeeper 3.5.9).
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
zookeeper.mntr.learners-
Number of learners (either followers or observers) seen by the current host (From ZooKeeper 3.6.0)
type: long
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