IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Kafka broker metricset

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Kafka broker metricset

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This functionality is in beta and is subject to change. The design and code is less mature than official GA features and is being provided as-is with no warranties. Beta features are not subject to the support SLA of official GA features.

This metricset periodically fetches JMX metrics from Kafka Broker JMX.

Compatibility

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The module has been tested with Kafka 2.1.1 and 2.2.2. Other versions are expected to work.

Usage

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The Broker metricset requires Jolokiato fetch JMX metrics. Refer to the link for instructions about how to use Jolokia.

Note that the Jolokia agent is required to be deployed along with the Kafka JVM application. This can be achieved by using the KAFKA_OPTS environment variable when starting the Kafka broker application:

export KAFKA_OPTS=-javaagent:/opt/jolokia-jvm-1.5.0-agent.jar=port=8779,host=localhost
./bin/kafka-server-start.sh ./config/server.properties

Then it will be possible to collect the JMX metrics from localhost:8779.

Fields

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For a description of each field in the metricset, see the exported fields section.

Here is an example document generated by this metricset:

{
    "@timestamp": "2019-10-30T14:22:37.475Z",
    "@metadata": {
        "beat": "metricbeat",
        "type": "_doc",
        "version": "8.0.0"
    },
    "agent": {
        "ephemeral_id": "f08b3bea-3631-4aaf-b35d-4cef29aeeb06",
        "hostname": "MBP.lan",
        "id": "79dd1677-1bea-4efd-9131-e8ca464eddf0",
        "version": "8.0.0",
        "type": "metricbeat"
    },
    "ecs": {
        "version": "1.2.0"
    },
    "metricset": {
        "name": "broker",
        "period": 10000
    },
    "service": {
        "address": "localhost:8779",
        "type": "kafka"
    },
    "kafka": {
        "broker": {
            "request": {
                "fetch": {
                    "failed_per_second": 0
                },
                "channel": {
                    "queue": {
                        "size": 0
                    }
                },
                "produce": {
                    "failed_per_second": 0
                }
            },
            "replication": {
                "leader_elections": 0,
                "unclean_leader_elections": 0
            },
            "session": {
                "zookeeper": {
                    "expire": 0,
                    "readonly": 0,
                    "sync": 0.00017675970397749868,
                    "disconnect": 0
                }
            },
            "topic": {
                "net": {
                    "bytes_out": 0,
                    "bytes_rejected": 0,
                    "bytes_in": 0
                },
                "messages_in": 0
            }
        }
    },
    "event": {
        "dataset": "kafka.broker",
        "module": "kafka",
        "duration": 7870293
    },
    "host": {
        "name": "MBP.lan",
        "hostname": "MBP.lan",
        "architecture": "x86_64",
        "os": {
            "version": "10.14.6",
            "family": "darwin",
            "name": "Mac OS X",
            "kernel": "18.7.0",
            "build": "18G95",
            "platform": "darwin"
        },
        "id": "883134FF-0EC4-5E1B-9F9E-FD06FB681D84"
    }
}

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