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Stan fields

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Stan fields

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stan Module

stan

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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

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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

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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

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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

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