The URL for listing and issuing commands relative to the root URL (admin.commandURL).

Maximum percentage of file descriptors usage alert threshold (for trigger expression).

Maximum number of outstanding requests (for trigger expression).

Maximum number of pending syncs from the followers (for trigger expression).

The port the embedded Jetty server listens on (admin.serverPort).

Request scheme which may be http or https

Additional metrics for leader node

Preprocessing:

- JSONPATH: $.server_state

- JAVASCRIPT: return JSON.stringify(value == 'leader' ? [{'{#SINGLETON}': ''}] : []);

Get list of client connections.

Note, depending on the number of client connections this operation may be expensive (i.e. impact server performance).

Preprocessing:

- JAVASCRIPT: The text is too long. Please see the template.

-

Get information on client connections to server. Note, depending on the number of client connections this operation may be expensive (i.e. impact server performance).

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

Preprocessing:

- JSONPATH: $.server_state

- DISCARD_UNCHANGED_HEARTBEAT: 1h

Uptime of Zookeeper server.

Preprocessing:

- JSONPATH: $.uptime

- MULTIPLIER: 0.001

Version of Zookeeper server.

Preprocessing:

- JSONPATH: $.version

- REGEX: ([^,]+)--(.+) \1

- DISCARD_UNCHANGED_HEARTBEAT: 3h

Data tree size in bytes.The size includes the znode path and its value.

Preprocessing:

- JSONPATH: $.approximate_data_size

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

Preprocessing:

- JSONPATH: $.max_file_descriptor_count

- DISCARD_UNCHANGED_HEARTBEAT: 1h

Number of file descriptors that a zookeeper server has open.

Preprocessing:

- JSONPATH: $.open_file_descriptor_count

The number of queued requests when the server is under load and is receiving more sustained requests than it can process.

Preprocessing:

- JSONPATH: $.outstanding_requests

The number of commits performed per second

Preprocessing:

- JSONPATH: $.commit_count

- CHANGE_PER_SECOND

Number of diff syncs performed per second

Preprocessing:

- JSONPATH: $.diff_count

- CHANGE_PER_SECOND

Number of snap syncs performed per second

Preprocessing:

- JSONPATH: $.snap_count

- CHANGE_PER_SECOND

Rate of transitions into looking state.

Preprocessing:

- JSONPATH: $.looking_count

- CHANGE_PER_SECOND

Number of active clients connected to a zookeeper server.

Preprocessing:

- JSONPATH: $.num_alive_connections

Number of global sessions.

Preprocessing:

- JSONPATH: $.global_sessions

Number of local sessions.

Preprocessing:

- JSONPATH: $.local_sessions

Rate of connection drops.

Preprocessing:

- JSONPATH: $.connection_drop_count

- CHANGE_PER_SECOND

Rate of connection rejected.

Preprocessing:

- JSONPATH: $.connection_rejected

- CHANGE_PER_SECOND

Rate ofconnection revalidations.

Preprocessing:

- JSONPATH: $.connection_revalidate_count

- CHANGE_PER_SECOND

Rate of revalidations.

Preprocessing:

- JSONPATH: $.revalidate_count

- CHANGE_PER_SECOND

The maximum amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.max_latency

The minimum amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.min_latency

The average amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.avg_latency

The number of znodes in the ZooKeeper namespace (the data)

Preprocessing:

- JSONPATH: $.znode_count

- DISCARD_UNCHANGED_HEARTBEAT: 1h

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

Preprocessing:

- JSONPATH: $.ephemerals_count

Number of watches currently set on the local ZooKeeper process.

Preprocessing:

- JSONPATH: $.watch_count

The number of zookeeper packets sent from a server per second.

Preprocessing:

- JSONPATH: $.packets_sent

- CHANGE_PER_SECOND

The number of zookeeper packets received by a server per second.

Preprocessing:

- JSONPATH: $.packets_received

- CHANGE_PER_SECOND

Number of bytes received per second.

Preprocessing:

- JSONPATH: $.bytes_received_count

- CHANGE_PER_SECOND

Time between entering and leaving election.

Preprocessing:

- JAVASCRIPT: The text is too long. Please see the template.

Number of elections happened.

Preprocessing:

- JAVASCRIPT: The text is too long. Please see the template.

Time to fsync transaction log.

Preprocessing:

- JAVASCRIPT: The text is too long. Please see the template.

Count of performed fsyncs.

Preprocessing:

- JAVASCRIPT: var metrics = JSON.parse(value) return metrics.cnt_fsynctime || metrics.fsynctime_count

Average time to write a snapshot.

Preprocessing:

- JAVASCRIPT: The text is too long. Please see the template.

Count of performed snapshot writes.

Preprocessing:

- JAVASCRIPT: var metrics = JSON.parse(value) return metrics.snapshottime_count || metrics.cnt_snapshottime

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

Preprocessing:

- JSONPATH: $.pending_syncs

-

Preprocessing:

- JSONPATH: $.quorum_size

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

Preprocessing:

- JSONPATH: $.synced_followers

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

Preprocessing:

- JSONPATH: $.synced_non_voting_followers

Number of synced observers.

Preprocessing:

- JSONPATH: $.synced_observers

Number of learners.

Preprocessing:

- JSONPATH: $.learners

The maximum amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].max_latency.first()

The minimum amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].min_latency.first()

The average amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].avg_latency.first()

The number of packets sent.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].packets_sent.first()

- CHANGE_PER_SECOND

The number of packets received.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].packets_received.first()

- CHANGE_PER_SECOND

The number of queued requests when the server is under load and is receiving more sustained requests than it can process.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].outstanding_requests.first()

Zookeeper node state has changed. Ack to close.

Manual close: YES

Uptime is less than 10 minutes

Manual close: YES

Zabbix has not received data for items for the last 10 minutes

Manual close: YES

Zookeeper version has changed. Ack to close.

Manual close: YES

Number of file descriptors used more than {$ZOOKEEPER.FILE_DESCRIPTORS.MAX.WARN}% of the available number of file descriptors.

Number of queued requests in the server. This goes up when the server receives more requests than it can process.

Manual close: YES

-

Manual close: YES

The number of followers should equal the total size of your ZooKeeper ensemble, minus 1 (the leader is not included in the follower count). If the ensemble fails to maintain quorum, all automatic failover features are suspended.

The URL for listing and issuing commands relative to the root URL (admin.commandURL).

Maximum percentage of file descriptors usage alert threshold (for trigger expression).

Maximum number of outstanding requests (for trigger expression).

Maximum number of pending syncs from the followers (for trigger expression).

The port the embedded Jetty server listens on (admin.serverPort).

Request scheme which may be http or https

Additional metrics for leader node

Preprocessing:

- JSONPATH: $.server_state

- JAVASCRIPT: return JSON.stringify(value == 'leader' ? [{'{#SINGLETON}': ''}] : []);

Get list of client connections.

Note, depending on the number of client connections this operation may be expensive (i.e. impact server performance).

Preprocessing:

- JAVASCRIPT: The text is too long. Please see the template.

-

Get information on client connections to server. Note, depending on the number of client connections this operation may be expensive (i.e. impact server performance).

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

Preprocessing:

- JSONPATH: $.server_state

- DISCARD_UNCHANGED_HEARTBEAT: 1h

Uptime of Zookeeper server.

Preprocessing:

- JSONPATH: $.uptime

- MULTIPLIER: 0.001

Version of Zookeeper server.

Preprocessing:

- JSONPATH: $.version

- REGEX: ([^,]+)--(.+) \1

- DISCARD_UNCHANGED_HEARTBEAT: 3h

Data tree size in bytes.The size includes the znode path and its value.

Preprocessing:

- JSONPATH: $.approximate_data_size

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

Preprocessing:

- JSONPATH: $.max_file_descriptor_count

- DISCARD_UNCHANGED_HEARTBEAT: 1h

Number of file descriptors that a zookeeper server has open.

Preprocessing:

- JSONPATH: $.open_file_descriptor_count

The number of queued requests when the server is under load and is receiving more sustained requests than it can process.

Preprocessing:

- JSONPATH: $.outstanding_requests

The number of commits performed per second

Preprocessing:

- JSONPATH: $.commit_count

- CHANGE_PER_SECOND

Number of diff syncs performed per second

Preprocessing:

- JSONPATH: $.diff_count

- CHANGE_PER_SECOND

Number of snap syncs performed per second

Preprocessing:

- JSONPATH: $.snap_count

- CHANGE_PER_SECOND

Rate of transitions into looking state.

Preprocessing:

- JSONPATH: $.looking_count

- CHANGE_PER_SECOND

Number of active clients connected to a zookeeper server.

Preprocessing:

- JSONPATH: $.num_alive_connections

Number of global sessions.

Preprocessing:

- JSONPATH: $.global_sessions

Number of local sessions.

Preprocessing:

- JSONPATH: $.local_sessions

Rate of connection drops.

Preprocessing:

- JSONPATH: $.connection_drop_count

- CHANGE_PER_SECOND

Rate of connection rejected.

Preprocessing:

- JSONPATH: $.connection_rejected

- CHANGE_PER_SECOND

Rate ofconnection revalidations.

Preprocessing:

- JSONPATH: $.connection_revalidate_count

- CHANGE_PER_SECOND

Rate of revalidations.

Preprocessing:

- JSONPATH: $.revalidate_count

- CHANGE_PER_SECOND

The maximum amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.max_latency

The minimum amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.min_latency

The average amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.avg_latency

The number of znodes in the ZooKeeper namespace (the data)

Preprocessing:

- JSONPATH: $.znode_count

- DISCARD_UNCHANGED_HEARTBEAT: 1h

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

Preprocessing:

- JSONPATH: $.ephemerals_count

Number of watches currently set on the local ZooKeeper process.

Preprocessing:

- JSONPATH: $.watch_count

The number of zookeeper packets sent from a server per second.

Preprocessing:

- JSONPATH: $.packets_sent

- CHANGE_PER_SECOND

The number of zookeeper packets received by a server per second.

Preprocessing:

- JSONPATH: $.packets_received

- CHANGE_PER_SECOND

Number of bytes received per second.

Preprocessing:

- JSONPATH: $.bytes_received_count

- CHANGE_PER_SECOND

Time between entering and leaving election.

Preprocessing:

- JAVASCRIPT: The text is too long. Please see the template.

Number of elections happened.

Preprocessing:

- JAVASCRIPT: The text is too long. Please see the template.

Time to fsync transaction log.

Preprocessing:

- JAVASCRIPT: The text is too long. Please see the template.

Count of performed fsyncs.

Preprocessing:

- JAVASCRIPT: var metrics = JSON.parse(value) return metrics.cnt_fsynctime || metrics.fsynctime_count

Average time to write a snapshot.

Preprocessing:

- JAVASCRIPT: The text is too long. Please see the template.

Count of performed snapshot writes.

Preprocessing:

- JAVASCRIPT: var metrics = JSON.parse(value) return metrics.snapshottime_count || metrics.cnt_snapshottime

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

Preprocessing:

- JSONPATH: $.pending_syncs

Preprocessing:

- JSONPATH: $.quorum_size

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

Preprocessing:

- JSONPATH: $.synced_followers

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

Preprocessing:

- JSONPATH: $.synced_non_voting_followers

Number of synced observers.

Preprocessing:

- JSONPATH: $.synced_observers

Number of learners.

Preprocessing:

- JSONPATH: $.learners

The maximum amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].max_latency.first()

The minimum amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].min_latency.first()

The average amount of time it takes for the server to respond to a client request.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].avg_latency.first()

The number of packets sent.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].packets_sent.first()

- CHANGE_PER_SECOND

The number of packets received.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].packets_received.first()

- CHANGE_PER_SECOND

The number of queued requests when the server is under load and is receiving more sustained requests than it can process.

Preprocessing:

- JSONPATH: $.{#TYPE}.[?(@.remote_socket_address == "{#ADDRESS}")].outstanding_requests.first()

Zookeeper node state has changed. Ack to close.

Manual close: YES

Uptime is less than 10 minutes

Manual close: YES

Zabbix has not received data for items for the last 10 minutes

Manual close: YES

Zookeeper version has changed. Ack to close.

Manual close: YES

Number of file descriptors used more than {$ZOOKEEPER.FILE_DESCRIPTORS.MAX.WARN}% of the available number of file descriptors.

Number of queued requests in the server. This goes up when the server receives more requests than it can process.

Manual close: YES

-

Manual close: YES

The number of followers should equal the total size of your ZooKeeper ensemble, minus 1 (the leader is not included in the follower count). If the ensemble fails to maintain quorum, all automatic failover features are suspended.