kafka.server.ReplicaManager.IsrShrinksPerSec

Rate at which the pool of in-sync replicas shrinks

Dimensions:None

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Dynatrace (1)

Interface Metrics (1)

Dynatrace

kafka.server.ReplicaManager.IsrShrinksPerSec

Rate at which the pool of in-sync replicas shrinks

Dimensions:None

Sources

kafka.server.ReplicaManager.IsrShrinksPerSecwww.dynatrace.com

Technical Annotations (16)

Configuration Parameters (3)

follower.replication.throttled.raterecommended: > 1MB/sec

minimum for accurate throttling behavior during recovery

leader.replication.throttled.raterecommended: > 1MB/sec

minimum for accurate throttling behavior during recovery

min.insync.replicasrecommended: 2

With replication.factor=3 and acks=all ensures majority quorum

Error Signatures (2)

NotEnoughReplicasexception

NotEnoughReplicasAfterAppendexception

Technical References (11)

consumer groupcomponentISR churnconceptpage cache hit ratioconceptfollower.replication.throttled.replicascomponentleader.replication.throttled.replicascomponentreplicaconceptreplication factorconceptin-sync replicas (ISR)conceptmin.insync.replicascomponentminIsrcomponentin-sync replicasconcept

Related Insights (7)

ISR shrinkage progresses silently until data loss occurscritical

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Consumer lag escalates rapidly while broker health metrics remain normalcritical

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Insufficient replication throttle causes cluster overload during recoverywarning

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Under-replicated partitions indicate data durability riskwarning

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Partitions below minimum in-sync replicas thresholdwarning

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Producer writes fail when in-sync replicas drop below minimum thresholdcritical

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Partitions fall below minimum in-sync replica countcritical

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