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kafka/Demo/MultiNodes/README.md
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kafka/Demo/MultiNodes/README.md
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# 部署 kafka 集群
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- 根据实际环境修改 docker-compose.yml
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* CONF: 这里启动三个 controller 节点和两个 brocker 节点,可用于线上
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* CLUSTER_ID: 这里要替换成完全一样的 uuid,生成命令
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```
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docker run --rm harbor.boyachain.cn:20443/general/kafka:4.0 kafka-storage.sh random-uuid
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```
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* 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**,broker 节点无需设置该变量
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- 创建目录
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```
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grep '\<source:' docker-compose.yml | cut -d: -f2 | xargs mkdir -p
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```
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- 启动
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```
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docker-compose up -d
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```
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- 查看集群状态
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```
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docker exec kafka-controller2 kafka-metadata-quorum.sh \
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--bootstrap-controller 127.10.11.3:9093 \
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describe --status
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docker exec kafka-broker2 kafka-metadata-quorum.sh \
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--bootstrap-controller 127.10.11.2:9093 \
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describe --replication
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```
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