JMX ObjectName Structure

Type: Histogram (p50, p95, p99)
Tags: client-id, topic
Description: Measures remote fetch operation latency
Use: Differentiate between slow storage and slow consumers

kafka.server:type=RemoteFetchMetrics,name=RemoteFetchBytesPerSec,client-id={client_id},topic={topic_name}

Configuration Parameters

Configuration	Type	Default	Description
remote.log.metrics.cost.attribution.enabled	Boolean	false	Master switch to enable client-level metrics
remote.log.metrics.max.consumer.groups	Int	1000	Maximum unique client-ids tracked (LRU eviction)
remote.log.metrics.include.partition	Boolean	false	Include partition tag (increases cardinality)

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Wire Protocol: No changes
Client Libraries: No changes required
Storage Plugins: No changes to RemoteStorageManager interface
Existing Metrics: KIP-963 metrics remain unchanged; KIP-1260 1261 metrics are additive

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