Technologies/Apache Kafka/kafka.replication.isr_expands_rate
Apache KafkaApache KafkaMetric

kafka.replication.isr_expands_rate

ISR expansion rate
Dimensions:None
Available on:DatadogDatadog (1)DynatraceDynatrace (1)
Interface Metrics (2)
DatadogDatadog
Rate of replicas joining the ISR pool.
Dimensions:None
DynatraceDynatrace
Rate at which the pool of in-sync replicas expands
Dimensions:None
Sources
kafka.replication.isr_expands.rategithub.com
kafka.server.ReplicaManager.IsrExpandsPerSecwww.dynatrace.com
Related Insights (1)
ISR Shrink/Expand Oscillation Reveals Replica Instabilitywarning

Frequent ISR shrink and expand events indicate replicas repeatedly falling behind and catching up, suggesting intermittent broker issues, network instability, or insufficient resources for replication workload.

▸