micrometer-metrics/micrometer

Rework KafkaMetrics based on Kafka's MetricsReporter

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#6502 opened on Jul 2, 2025

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 (6 comments) (0 reactions) (0 assignees)Java (4,220 stars) (935 forks)batch import
enhancementhelp wantedinstrumentationmodule: micrometer-core

Description

See the MetricsReporter interface in Kafka. This looks promising that we could use this to instrument Kafka metrics in a better way than we currently do with our KafkaMetrics.

Contributor guide

Tech stack
java
Domain
observability
Issue type
refactor
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
Kafka knowledgeMicrometer basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
35
Research direction
Examine the existing KafkaMetrics class in the micrometer source code and review the Kafka MetricsReporter interface documentation. Determine how to replace or augment the current metric collection with a MetricsReporter based approach. Consider configuration changes and backward compatibility.