Topic dashboard

The topic dashboard aggregates metrics at the topic level. In the variable section, you can choose a cluster, tenant, and namespace, and topic. This dashboard analyzes metrics at the parent topic level, not at the partition level.

Topic overview

Overview displays the aggregated total metrics values summarized at the topic level.

  • Total number of producers

  • Total number of consumers

  • Total number of subscriptions

  • Total message backlog

  • Total message replication backlog

  • Total message storage size - after replication

  • Total message size offloaded to a tiered storage

  • Total hourly incoming message number

  • Total hourly incoming message average size

Messaging

Messaging displays the time series metrics chart summarized at the topic level with an additional level of detail (partitions).

  • Total incoming message rate (msg/s) of the topic divided by partitions

  • Total outgoing message rate (msg/s) of the topic divided by partitions

  • Total incoming message throughput (bytes/s) of the topic divided by partitions

  • Total outgoing message throughput (bytes/s) of the topic divided by partitions

  • Total message backlog of the topic divided by partitions

  • Total unacknowledged messages of the topic divided by partitions

Subscription

Subscription displays the time series metrics chart summarized at the subscription level with an additional level of detail (by individual subscriptions).

  • Total subscription message backlog divided by individual subscriptions

  • Total subscription message backlog with no delay divided by individual subscriptions

  • Total subscription unacknowledged messages divided by individual subscriptions

  • Total subscription delayed messages divided by individual subscriptions

  • Total subscription message dispatch rate (msg/s) divided by individual subscriptions

  • Total subscription message throughput rate (byte/s) divided by individual subscriptions

  • Total subscription message acknowledgment rate (msg/s) divided by individual subscriptions

  • Total subscription message redelivery rate (msg/s) divided by individual subscriptions

  • Total subscription message expired rate (msg/s) divided by individual subscriptions

  • Total subscription message dropped rate (msg/s) divided by individual subscriptions

  • Total subscription messages processed by EntryFilter, divided by individual subscriptions

  • Total subscription messages accepted by EntryFilter, divided by individual subscriptions

  • Total subscription messages rejected by EntryFilter, divided by individual subscriptions

  • Total subscription messages rescheduled by EntryFilter, divided by individual subscriptions

Georeplication

Georeplication displays the time series metrics chart summarized at the topic level with an additional level of detail (remote clusters).

  • Incoming replication rate (msg/s) to the topic divided by remote clusters

  • Outgoing replication rate (msg/s) from the topic divided by remote clusters

  • Incoming replication throughput (byte/s) to the topic divided by remote clusters

  • Outgoing replication throughput (byte/s) from the topic divided by remote clusters

  • Total (outgoing) message replication backlog from the topic divided by remote clusters

See also

Dashboards are available for scraping metrics at Pulsar’s tenant, namespace, and topic levels.

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