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.

Topic overview

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).

Messaging

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).

Subscription

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 acknowledgement 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).

Georeplication

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

What’s next?

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

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