下面给你一份在 Debian 上部署 Kafka 集群(多 broker)的实操配置指南,基于 Kafka 3.x + Kafka 自带 KRaft(推荐,不再依赖 ZooKeeper),如果你还在用 ZooKeeper 模式我也会简单提一下。
sudo apt update
sudo apt install -y openjdk-17-jdk
java -version
sudo useradd -m -s /bin/bash kafka
cd /opt
sudo wget https://downloads.apache.org/kafka/3.7.1/kafka_2.13-3.7.1.tgz
sudo tar -xzf kafka_2.13-3.7.1.tgz
sudo mv kafka_2.13-3.7.1 kafka
sudo chown -R kafka:kafka /opt/kafka
假设 3 台机器:
| 主机名 | IP | 角色 |
|---|---|---|
| kafka1 | 192.168.1.11 | broker + controller |
| kafka2 | 192.168.1.12 | broker + controller |
| kafka3 | 192.168.1.13 | broker + controller |
/opt/kafka/bin/kafka-storage.sh random-uuid
示例输出:
abc12345-6789-xxxx-yyyy-zzzzzzzzzzzz
server.properties(每节点不同)编辑:
/opt/kafka/config/kraft/server.properties
process.roles=broker,controller
node.id=1 # 每台不同:1 / 2 / 3
controller.quorum.voters=1@192.168.1.11:9093,2@192.168.1.12:9093,3@192.168.1.13:9093
listeners=PLAINTEXT://:9092,CONTROLLER://:9093
advertised.listeners=PLAINTEXT://192.168.1.11:9092
listener.security.protocol.map=CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT
inter.broker.listener.name=PLAINTEXT
log.dirs=/opt/kafka/data
num.partitions=3
default.replication.factor=3
min.insync.replicas=2
⚠️ 注意:
node.id 每节点唯一advertised.listeners 写本机 IPcontroller.quorum.voters 所有节点一致/opt/kafka/bin/kafka-storage.sh format \
-t abc12345-6789-xxxx-yyyy-zzzzzzzzzzzz \
-c /opt/kafka/config/kraft/server.properties
/opt/kafka/bin/kafka-server-start.sh \
-daemon /opt/kafka/config/kraft/server.properties
查看日志:
tail -f /opt/kafka/logs/server.log
/opt/kafka/bin/kafka-topics.sh \
--create --topic test \
--partitions 3 --replication-factor 3 \
--bootstrap-server 192.168.1.11:9092
/opt/kafka/bin/kafka-topics.sh \
--describe --topic test \
--bootstrap-server 192.168.1.11:9092
# 生产
kafka-console-producer.sh --topic test --bootstrap-server 192.168.1.11:9092
# 消费
kafka-console-consumer.sh --topic test --from-beginning --bootstrap-server 192.168.1.11:9092
sudo vim /etc/systemd/system/kafka.service
[Unit]
Description=Apache Kafka
After=network.target
[Service]
Type=simple
User=kafka
ExecStart=/opt/kafka/bin/kafka-server-start.sh /opt/kafka/config/kraft/server.properties
ExecStop=/opt/kafka/bin/kafka-server-stop.sh
Restart=on-failure
[Install]
WantedBy=multi-user.target
sudo systemctl daemon-reload
sudo systemctl enable --now kafka
如果你必须用老版本:
server.properties 里配:zookeeper.connect=192.168.1.11:2181,192.168.1.12:2181,192.168.1.13:2181
其余类似。
如果你愿意,我可以:
你现在是几台机器、什么 Kafka 版本?