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zookeeper

Default Metrics

The following metrics are emitted by default. Each of them can be disabled by applying the following configuration:

metrics:
  <metric_name>:
    enabled: false

zookeeper.connection.active

Number of active clients connected to a ZooKeeper server.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{connections} Sum Int Cumulative false

zookeeper.data_tree.ephemeral_node.count

Number of ephemeral nodes that a ZooKeeper server has in its data tree.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{nodes} Sum Int Cumulative false

zookeeper.data_tree.size

Size of data in bytes that a ZooKeeper server has in its data tree.

Unit Metric Type Value Type Aggregation Temporality Monotonic
By Sum Int Cumulative false

zookeeper.file_descriptor.limit

Maximum number of file descriptors that a ZooKeeper server can open.

Unit Metric Type Value Type
{file_descriptors} Gauge Int

zookeeper.file_descriptor.open

Number of file descriptors that a ZooKeeper server has open.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{file_descriptors} Sum Int Cumulative false

zookeeper.follower.count

The number of followers. Only exposed by the leader.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{followers} Sum Int Cumulative false

Attributes

Name Description Values
state State of followers Str: synced, unsynced

zookeeper.fsync.exceeded_threshold.count

Number of times fsync duration has exceeded warning threshold.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{events} Sum Int Cumulative true

zookeeper.latency.avg

Average time in milliseconds for requests to be processed.

Unit Metric Type Value Type
ms Gauge Int

zookeeper.latency.max

Maximum time in milliseconds for requests to be processed.

Unit Metric Type Value Type
ms Gauge Int

zookeeper.latency.min

Minimum time in milliseconds for requests to be processed.

Unit Metric Type Value Type
ms Gauge Int

zookeeper.packet.count

The number of ZooKeeper packets received or sent by a server.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{packets} Sum Int Cumulative true

Attributes

Name Description Values
direction State of a packet based on io direction. Str: received, sent

zookeeper.request.active

Number of currently executing requests.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{requests} Sum Int Cumulative false

zookeeper.ruok

Response from zookeeper ruok command

Unit Metric Type Value Type
1 Gauge Int

zookeeper.sync.pending

The number of pending syncs from the followers. Only exposed by the leader.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{syncs} Sum Int Cumulative false

zookeeper.watch.count

Number of watches placed on Z-Nodes on a ZooKeeper server.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{watches} Sum Int Cumulative false

zookeeper.znode.count

Number of z-nodes that a ZooKeeper server has in its data tree.

Unit Metric Type Value Type Aggregation Temporality Monotonic
{znodes} Sum Int Cumulative false

Resource Attributes

Name Description Values Enabled
server.state State of the Zookeeper server (leader, standalone or follower). Any Str true
zk.version Zookeeper version of the instance. Any Str true