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docker/kafka/Demo/ThreeServerNodes/README.md
2025-11-01 21:18:29 +08:00

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# 部署 kafka 集群
- 根据实际环境修改 docker-compose.yml
* CONF: 这里启动三个 server 节点,简单试用集群环境
* CLUSTER_ID: 这里要替换成完全一样的 uuid生成命令
```
docker run --rm harbor.boyachain.cn:20443/general/kafka:4.0 kafka-storage.sh random-uuid
```
* LEAD_CONTROLLER: 指定 bootstrap kraft 集群的节点 **controller 地址**bootstrap kraft 集群的**第一个节点不能设置该变量**
- 创建目录
```
grep '\<source:' docker-compose.yml | cut -d: -f2 | xargs mkdir -p
```
- 启动
```
docker-compose up -d
```
- 查看集群状态
```
docker exec kafka1 kafka-metadata-quorum.sh \
--bootstrap-controller 127.10.11.1:9093 \
describe --status
docker exec kafka1 kafka-metadata-quorum.sh \
--bootstrap-controller 127.10.11.1:9093 \
describe --replication
```