Technologies/Apache Pulsar/pulsar_storage_backlog_size
Apache PulsarApache PulsarMetric

pulsar_storage_backlog_size

The total backlog size of the topics of this namespace owned by this broker (messages).
Dimensions:None
Available on:DatadogDatadog (1)
Interface Metrics (1)
DatadogDatadog
The total backlog size of the topics of this namespace owned by this broker (messages).
Dimensions:None
Sources
pulsar.storage_backlog_sizegithub.com
Related Insights (1)
Message Backlog Explosion Signals Consumer Lag or Failurecritical

Growing message backlog indicates consumers are falling behind producers or have stopped processing messages entirely. This can lead to memory pressure, disk exhaustion, and eventually message loss if retention policies expire unacknowledged messages.

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