NATS fields
nats Module
nats contains statistics that were read from Nats
nats.server.id- The server ID
type: keyword
nats.server.time- Server time of metric creation
type: date
Contains nats connection related metrics
nats.connection.id- The ID of the connection
type: keyword
nats.connection.name- The name of the connection
type: keyword
nats.connection.kind- The kind of connection
type: keyword
nats.connection.type- The type of connection
type: keyword
nats.connection.ip- The IP address of the connection
type: ip
nats.connection.port- The port of the connection
type: integer
nats.connection.lang- The language of the client connection
type: keyword
nats.connection.version- The version of the client connection
type: keyword
nats.connection.start- The time the connection was started
type: date
nats.connection.last_activity- The last activity time of the connection
type: date
nats.connection.subscriptions- The number of subscriptions in this connection
type: integer
nats.connection.pending_bytes- The number of pending bytes of this connection
type: long
format: bytes
nats.connection.uptime- The period the connection is up (sec)
type: long
format: duration
nats.connection.idle_time- The period the connection is idle (sec)
type: long
format: duration
The amount of incoming data
nats.connection.in.messages- The amount of incoming messages
type: long
nats.connection.in.bytes- The amount of incoming bytes
type: long
format: bytes
The amount of outgoing data
nats.connection.out.messages- The amount of outgoing messages
type: long
nats.connection.out.bytes- The amount of outgoing bytes
type: long
format: bytes
Contains nats connection related metrics
nats.connections.total- The number of currently active clients
type: integer
Information pertaining to a NATS JetStream server
nats.jetstream.category- The category of metrics represented in this event (stats, account, stream, or consumer).
type: keyword
General stats about the NATS JetStream server.
nats.jetstream.stats.streams- The total number of streams on the JetStream server.
type: long
nats.jetstream.stats.consumers- The total number of consumers on the JetStream server.
type: long
nats.jetstream.stats.messages- The total number of messages on the JetStream server.
type: long
nats.jetstream.stats.bytes- The total number of message bytes on the JetStream server.
type: long
format: bytes
nats.jetstream.stats.memory- The total amount of memory (bytes) used by the JetStream server.
type: long
format: bytes
nats.jetstream.stats.reserved_memory- The of memory (bytes) reserved by the JetStream server.
type: long
format: bytes
nats.jetstream.stats.storage- The total amount of storage (bytes) used by the JetStream server.
type: long
format: bytes
nats.jetstream.stats.reserved_storage- The total amount of storage (bytes) reserved by the JetStream server.
type: long
format: bytes
nats.jetstream.stats.accounts- The total number of accounts on the JetStream server.
type: long
Configuration of the JetStream server.
nats.jetstream.stats.config.max_memory- The maximum amount of memory (bytes) the JetStream server can use.
type: long
format: bytes
nats.jetstream.stats.config.max_storage- The maximum amount of storage (bytes) the JetStream server can use.
type: long
format: bytes
nats.jetstream.stats.config.store_dir- The path on disk where the JetStream storage lives.
type: keyword
nats.jetstream.stats.config.sync_interval- The fsync/sync interval for page cache in the filestore.
type: long
Information about a NATS JetStream account.
nats.jetstream.account.id- The ID of the JetStream account.
type: keyword
nats.jetstream.account.name- The name of the JetStream account.
type: keyword
nats.jetstream.account.accounts- The number of accounts using JetStream on the server.
type: integer
nats.jetstream.account.high_availability_assets- Indicates the number of JetStream high-availability (HA) assets allocated for an account.
type: integer
nats.jetstream.account.memory- The amount of memory in bytes currently used by JetStream for this account.
type: long
format: bytes
nats.jetstream.account.storage- The amount of storage in bytes currently used by JetStream for this account.
type: long
format: bytes
nats.jetstream.account.reserved_memory- The maximum memory quota reserved for this account (in bytes).
type: long
format: bytes
nats.jetstream.account.reserved_storage- The maximum disk storage quota reserved for this account (in bytes).
type: long
format: bytes
API stats pertaining to this account.
nats.jetstream.account.api.total- The total number of JetStream API calls made by this account.
type: long
nats.jetstream.account.api.errors- The total number of JetStream API errors encountered by this account.
type: long
Information about a NATS JetStream stream.
nats.jetstream.stream.name- The name of the JetStream stream.
type: keyword
nats.jetstream.stream.created- The date/time the stream was created.
type: date
Cluster information for the stream.
nats.jetstream.stream.cluster.leader- The ID of the leader in the cluster.
type: keyword
The state of the stream.
nats.jetstream.stream.state.messages- The number of messages on the stream.
type: long
nats.jetstream.stream.state.bytes- The number of bytes of messages on the stream.
type: long
format: bytes
nats.jetstream.stream.state.consumer_count- The number of consumers on the stream.
type: long
nats.jetstream.stream.state.num_subjects- The number of subjects on the stream.
type: long
nats.jetstream.stream.state.num_deleted- The number of messages deleted from the stream.
type: long
nats.jetstream.stream.state.first_seq- The first sequence number on the stream.
type: long
nats.jetstream.stream.state.first_ts- The date/time corresponding to first_seq.
type: date
nats.jetstream.stream.state.last_seq- The last sequence number on the stream.
type: long
nats.jetstream.stream.state.last_ts- The date/time corresponding to last_seq.
type: date
Information about the account for this stream.
nats.jetstream.stream.account.id- The ID of the account.
type: keyword
nats.jetstream.stream.account.name- The name of the account.
type: keyword
Information regarding how the stream is configured.
nats.jetstream.stream.config.description- The description of the stream.
type: text
nats.jetstream.stream.config.retention- The retention policy for the stream.
type: keyword
nats.jetstream.stream.config.num_replicas- How many replicas to keep for each message in a clustered JetStream.
type: integer
nats.jetstream.stream.config.storage- The storage type for stream data.
type: keyword
nats.jetstream.stream.config.max_consumers- The maximum number of consumers allowed for this stream.
type: long
nats.jetstream.stream.config.max_msgs- Maximum number of messages stored in the stream. Adheres to Discard Policy, removing oldest or refusing new messages if the Stream exceeds this number of messages.
type: long
nats.jetstream.stream.config.max_bytes- Maximum number of bytes stored in the stream. Adheres to Discard Policy, removing oldest or refusing new messages if the Stream exceeds this size.
type: long
format: bytes
nats.jetstream.stream.config.max_age- Maximum age of any message in the stream, expressed in nanoseconds.
type: long
nats.jetstream.stream.config.max_msgs_per_subject- Limits maximum number of messages in the stream to retain per subject.
type: long
nats.jetstream.stream.config.max_msg_size- The largest message (bytes) that will be accepted by the stream. The size of a message is a sum of payload and headers.
type: long
format: bytes
nats.jetstream.stream.config.subjects- The list of subjects bound to the stream.
type: keyword
Information about a NATS JetStream consumer.
nats.jetstream.consumer.name- The name of the consumer.
type: keyword
nats.jetstream.consumer.created- The date/time the consumer was created.
type: date
Information about the stream for this consumer.
nats.jetstream.consumer.stream.name- The name of the stream.
type: keyword
Cluster information for the consumer.
nats.jetstream.consumer.cluster.leader- The ID of the leader in the cluster.
type: keyword
Information about message acknowledgements pertaining to AckFloor, which indicates the highest contiguous sequence number that has been fully acknowledged.
nats.jetstream.consumer.ack_floor.consumer_seq- The lowest contiguous consumer sequence number that has been acknowledged.
type: long
nats.jetstream.consumer.ack_floor.stream_seq- The lowest contiguous stream sequence number that has been acknowledged by the consumer.
type: long
nats.jetstream.consumer.ack_floor.last_active- The timestamp of the last acknowledged message.
type: date
Information about delivered messages.
nats.jetstream.consumer.delivered.consumer_seq- The number of messages delivered to this consumer, starting from 1 when the consumer was created.
type: long
nats.jetstream.consumer.delivered.stream_seq- The last stream sequence number of a message delivered to the consumer. Corresponds to the global sequence of messages in the stream.
type: long
nats.jetstream.consumer.delivered.last_active- The timestamp of the last message delivered to the consumer.
type: date
nats.jetstream.consumer.num_ack_pending- The number of messages that have been delivered to the consumer but not yet acknowledged.
type: long
nats.jetstream.consumer.num_redelivered- The number of messages that had to be resent because they were previously delivered but not acknowledged within the Ack Wait time.
type: long
nats.jetstream.consumer.num_waiting- The number of pull requests currently waiting for messages to be delivered.
type: long
nats.jetstream.consumer.num_pending- The number of messages remaining in the stream that the consumer has not yet delivered to any client.
type: long
nats.jetstream.consumer.last_active_time- Represents the last activity time of the consumer.
type: date
Information about the account for this consumer.
nats.jetstream.consumer.account.id- The ID of the account.
type: keyword
nats.jetstream.consumer.account.name- The name of the account.
type: keyword
Information about the configuration for this consumer.
nats.jetstream.consumer.config.name- The name of the consumer.
type: keyword
nats.jetstream.consumer.config.durable_name- The durable name of the consumer. If set, clients can have subscriptions bind to the consumer and resume until the consumer is explicitly deleted.
type: keyword
nats.jetstream.consumer.config.deliver_policy- The point in the stream from which to receive messages.
type: keyword
nats.jetstream.consumer.config.filter_subject- A subject that overlaps with the subjects bound to the stream to filter delivery to subscribers.
type: keyword
nats.jetstream.consumer.config.replay_policy- The configured replay policy for the consumer.
type: keyword
nats.jetstream.consumer.config.ack_policy- The configured ack policy for the consumer.
type: keyword
nats.jetstream.consumer.config.ack_wait- The duration (in nanoseconds) that the server will wait for an acknowledgment for any individual message once it has been delivered to a consumer. If an acknowledgment is not received in time, the message will be redelivered.
type: long
nats.jetstream.consumer.config.max_deliver- The maximum number of times a message will be redelivered if not acknowledged.
type: long
nats.jetstream.consumer.config.max_waiting- The maximum number of pull requests a consumer can have waiting for messages.
type: long
nats.jetstream.consumer.config.max_ack_pending- The maximum number of messages the consumer can have in-flight (delivered but unacknowledged) at any time.
type: long
nats.jetstream.consumer.config.num_replicas- The number of replicas for the consumer's state in a JetStream cluster.
type: long
Contains nats route related metrics
nats.route.subscriptions- The number of subscriptions in this connection
type: integer
nats.route.remote_id- The remote ID on which the route is connected
type: keyword
nats.route.pending_size- The number of pending routes
type: long
nats.route.port- The port of the route
type: integer
nats.route.ip- The ip of the route
type: ip
The amount of incoming data
nats.route.in.messages- The amount of incoming messages
type: long
nats.route.in.bytes- The amount of incoming bytes
type: long
format: bytes
The amount of outgoing data
nats.route.out.messages- The amount of outgoing messages
type: long
nats.route.out.bytes- The amount of outgoing bytes
type: long
format: bytes
Contains nats route related metrics
nats.routes.total- The number of registered routes
type: integer
Contains nats var related metrics
nats.stats.server_name- The name of the NATS server
type: keyword
nats.stats.version- The version of the NATS server
type: keyword
nats.stats.uptime- The period the server is up (sec)
type: long
format: duration
nats.stats.mem.bytes- The current memory usage of NATS process
type: long
format: bytes
nats.stats.cores- The number of logical cores the NATS process runs on
type: integer
nats.stats.cpu- The current cpu usage of NATs process
type: scaled_float
format: percent
nats.stats.total_connections- The number of totally created clients
type: long
nats.stats.remotes- The number of registered remotes
type: integer
The amount of incoming data
nats.stats.in.messages- The amount of incoming messages
type: long
nats.stats.in.bytes- The amount of incoming bytes
type: long
format: bytes
The amount of outgoing data
nats.stats.out.messages- The amount of outgoing messages
type: long
nats.stats.out.bytes- The amount of outgoing bytes
type: long
format: bytes
nats.stats.slow_consumers- The number of slow consumers currently on NATS
type: long
The http metrics of NATS server
The requests statistics
The request distribution on monitoring URIS
nats.stats.http.req_stats.uri.routez- The number of hits on routez monitoring uri
type: long
nats.stats.http.req_stats.uri.connz- The number of hits on connz monitoring uri
type: long
nats.stats.http.req_stats.uri.varz- The number of hits on varz monitoring uri
type: long
nats.stats.http.req_stats.uri.subsz- The number of hits on subsz monitoring uri
type: long
nats.stats.http.req_stats.uri.root- The number of hits on root monitoring uri
type: long
nats.stats.http.req_stats.uri.jsz- The number of hits on jsz monitoring uri
type: long
nats.stats.http.req_stats.uri.accountz- The number of hits on accountz monitoring uri
type: long
nats.stats.http.req_stats.uri.accstatz- The number of hits on accstatz monitoring uri
type: long
nats.stats.http.req_stats.uri.gatewayz- The number of hits on gatewayz monitoring uri
type: long
nats.stats.http.req_stats.uri.healthz- The number of hits on healthz monitoring uri
type: long
nats.stats.http.req_stats.uri.leafz- The number of hits on leafz monitoring uri
type: long
Contains nats subscriptions related metrics
nats.subscriptions.total- The number of active subscriptions
type: integer
nats.subscriptions.inserts- The number of insert operations in subscriptions list
type: long
nats.subscriptions.removes- The number of remove operations in subscriptions list
type: long
nats.subscriptions.matches- The number of times a match is found for a subscription
type: long
nats.subscriptions.cache.size- The number of result sets in the cache
type: integer
nats.subscriptions.cache.hit_rate- The rate matches are being retrieved from cache
type: scaled_float
format: percent
nats.subscriptions.cache.fanout.max- The maximum fanout served by cache
type: integer
nats.subscriptions.cache.fanout.avg- The average fanout served by cache
type: double