Stan fields

stan Module

stan

stan contains statistics that were read from Nats Streaming server (STAN)

stan.server.id: The server ID

type: keyword

stan.cluster.id: The cluster ID

type: keyword

channels

Contains stan / nats streaming/serverz endpoint metrics

stan.channels.name: The name of the STAN streaming channel

type: keyword

stan.channels.messages: The number of STAN streaming messages

type: long

stan.channels.bytes: The number of STAN bytes in the channel

type: long

stan.channels.first_seq: First sequence number stored in the channel. If first_seq > min([seq in subscriptions]) data loss has possibly occurred

type: long

stan.channels.last_seq: Last sequence number stored in the channel

type: long

stan.channels.depth: Queue depth based upon current sequence number and highest reported subscriber sequence number

type: long

stats

Contains only high-level stan / nats streaming server related metrics

stan.stats.state: The cluster / streaming configuration state (STANDALONE, CLUSTERED)

type: keyword

stan.stats.role: If clustered, role of this node in the cluster (Leader, Follower, Candidate)

type: keyword

stan.stats.clients: The number of STAN clients

type: integer

stan.stats.subscriptions: The number of STAN streaming subscriptions

type: integer

stan.stats.channels: The number of STAN channels

type: integer

stan.stats.messages: Number of messages across all STAN queues

type: long

stan.stats.bytes: Number of bytes consumed across all STAN queues

type: long

subscriptions

Contains stan / nats streaming/serverz endpoint subscription metrics

stan.subscriptions.id: The name of the STAN channel subscription (client_id)

type: keyword

stan.subscriptions.channel: The name of the STAN channel the subscription is associated with

type: keyword

stan.subscriptions.queue: The name of the NATS queue that the STAN channel subscription is associated with, if any

type: keyword

stan.subscriptions.last_sent: Last known sequence number of the subscription that was acked

type: long

stan.subscriptions.pending: Number of pending messages from / to the subscriber

type: long

stan.subscriptions.offline: Is the subscriber marked as offline?

type: boolean

stan.subscriptions.stalled: Is the subscriber known to be stalled?

type: boolean