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---
id: kafka
title: Monitor：Apache Kafka
sidebar_label: Apache Kafka
keywords: [open source monitoring tool, open source apache kafka monitoring tool, monitoring apache kafka metrics]
---
> Collect and monitor the general performance Metrics of Apache Kafka.
**Protocol Use：JMX**
## Kafka Enable JMX Protocol
1. Install Kafka
2. Modify `kafka-server-start.sh`
Append content in kafka-server-start.sh, Attention Replace Port And IP.
```shell
export JMX_PORT=9999;
export KAFKA_JMX_OPTS="-Djava.rmi.server.hostname=ip地址 -Dcom.sun.management.jmxremote.rmi.port=9999 -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false";
# Already Has
exec $base_dir/kafka-run-class.sh $EXTRA_ARGS kafka.Kafka "$@"
```
### Configuration parameter
| Parameter name | Parameter help description |
|---------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Monitoring Host | Monitored IPV4, IPV6 or domain name. Note⚠️Without protocol header (eg: https://, http://) |
| Monitoring name | Identify the name of this monitoring. The name needs to be unique |
| Port | Port provided by JMX |
| Username | JMX connection user name, optional |
| Password | JMX connection password, optional |
| Collection interval | Interval time of monitor periodic data collection, unit: second, and the minimum interval that can be set is 30 seconds |
| Whether to detect | Whether to detect and check the availability of monitoring before adding monitoring. Adding and modifying operations will continue only after the detection is successful |
| Description remarks | For more information about identifying and describing this monitoring, users can note information here |
### Collection Metrics
#### Metrics Set：server_info
| Metric name | Metric unit | Metric help description |
|-------------|-------------|-------------------------|
| Version | | Kafka Version |
| StartTimeMs | ms | Start Time |
| CommitId | | Version Commit ID |
#### Metrics Set：memory_pool
| Metric name | Metric unit | Metric help description |
|-------------|-------------|-------------------------|
| name | | metrics name |
| committed | kb | total size |
| init | kb | init size |
| max | kb | max size |
| used | kb | used size |
#### Metrics Set：active_controller_count
| Metric name | Metric unit | Metric help description |
|-------------|-------------|--------------------------------|
| Value | | server active controller count |
#### Metrics Set：broker_partition_count
| Metric name | Metric unit | Metric help description |
|-------------|-------------|-------------------------|
| Value | | broker partition count |
#### Metrics Set：broker_leader_count
| Metric name | Metric unit | Metric help description |
|-------------|-------------|-------------------------|
| Value | | broker leader count |
#### Metrics Set：broker_handler_avg_percent
| Metric name | Metric unit | Metric help description |
|-------------------|-------------|-------------------------|
| EventType | | event type |
| RateUnit | | rate unit |
| Count | | percent count |
| OneMinuteRate | % | One Minute Rate |
| FiveMinuteRate | % | Five Minute Rate |
| MeanRate | % | Mean Rate |
| FifteenMinuteRate | % | Fifteen Minute Rate |