ZooKeeper fields
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