kafka-server 出问题，删除所有数据，应用客户端没重启， offset 会乱吗

只删除数据不重置消费组的情况下，对应 topic 的 offset 会变成负数，需要重置消费组
docker 部署给你一个参考，部署了两种集群：
```yaml
version: '3'
services:
zookeeper1:
image: 'bitnami/zookeeper:3.8'
container_name: zookeeper1
ports:
- '2181:2181'
environment:
# 匿名登录--必须开启
- ALLOW_ANONYMOUS_LOGIN=yes
# 服务 ID 不重复
- ZOO_SERVER_ID=1
# 集群地址配置
- ZOO_SERVERS=zookeeper1:2888:3888,zookeeper2:2888:3888,zookeeper3:2888:3888
volumes:
- ./zookeeper/zookeeper-data1:/bitnami/zookeeper
zookeeper2:
image: 'bitnami/zookeeper:3.8'
container_name: zookeeper2
ports:
- '2182:2181'
environment:
- ALLOW_ANONYMOUS_LOGIN=yes
- ZOO_SERVER_ID=2
- ZOO_SERVERS=zookeeper1:2888:3888,zookeeper2:2888:3888,zookeeper3:2888:3888
volumes:
- ./zookeeper/zookeeper-data2:/bitnami/zookeeper
zookeeper3:
image: 'bitnami/zookeeper:3.8'
container_name: zookeeper3
ports:
- '2183:2181'
environment:
- ALLOW_ANONYMOUS_LOGIN=yes
- ZOO_SERVER_ID=3
- ZOO_SERVERS=zookeeper1:2888:3888,zookeeper2:2888:3888,zookeeper3:2888:3888
volumes:
- ./zookeeper/zookeeper-data3:/bitnami/zookeeper
kafka1:
image: 'bitnami/kafka:3.4'
container_name: kafka1
depends_on:
- zookeeper1
- zookeeper2
- zookeeper3
ports:
- '9092:9092'
environment:
### zookeeper
# 配置 zookeeper 地址
- KAFKA_CFG_ZOOKEEPER_CONNECT=zookeeper1:2181,zookeeper2:2181,zookeeper3:2181

### Listeners
# 允许使用 PLAINTEXT 监听器
- ALLOW_PLAINTEXT_LISTENER=yes
# 指定内部使用的 Broker 监听名称
- KAFKA_INTER_BROKER_LISTENER_NAME=PLAINTEXT
# 配置 Kafka 和 ZooKeeper 之间的通信协议
- KAFKA_ZOOKEEPER_PROTOCOL=PLAINTEXT
# 定义安全协议
- KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=PLAINTEXT:PLAINTEXT
# 定义 kafka 服务端 socket 监听端口
- KAFKA_CFG_LISTENERS=PLAINTEXT://:9092
# 配置外部访问地址
- KAFKA_CFG_ADVERTISED_LISTENERS=PLAINTEXT://:9092

### Cluster
# 配置偏移量主题为 3 个副本
- KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR=3
# 配置事务状态日志为 3 个副本
- KAFKA_CFG_TRANSACTION_STATE_LOG_REPLICATION_FACTOR=3
# 用于指定事务状态日志的最小 ISR 。ISR 是指与 Kafka Broker 保持同步的副本集合。如果 ISR 中的副本数量低于 2 ，则 Kafka Broker 将停止写入事务状态日志。
- KAFKA_CFG_TRANSACTION_STATE_LOG_MIN_ISR=2

# 设置堆内存
- KAFKA_HEAP_OPTS=-Xmx512m -Xms512m
volumes:
- ./kafka-zookeeper/kafka-data1:/bitnami/kafka
kafka2:
image: 'bitnami/kafka:3.4'
container_name: kafka2
depends_on:
- zookeeper1
- zookeeper2
- zookeeper3
ports:
- '9093:9092'
environment:
- KAFKA_CFG_ZOOKEEPER_CONNECT=zookeeper1:2181,zookeeper2:2181,zookeeper3:2181
- ALLOW_PLAINTEXT_LISTENER=yes
- KAFKA_INTER_BROKER_LISTENER_NAME=PLAINTEXT
- KAFKA_ZOOKEEPER_PROTOCOL=PLAINTEXT
- KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=PLAINTEXT:PLAINTEXT
- KAFKA_CFG_LISTENERS=PLAINTEXT://:9092
- KAFKA_CFG_ADVERTISED_LISTENERS=PLAINTEXT://:9092
- KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR=3
- KAFKA_CFG_TRANSACTION_STATE_LOG_REPLICATION_FACTOR=3
- KAFKA_CFG_TRANSACTION_STATE_LOG_MIN_ISR=2
- KAFKA_HEAP_OPTS=-Xmx512m -Xms512m
volumes:
- ./kafka-zookeeper/kafka-data2:/bitnami/kafka
kafka3:
image: 'bitnami/kafka:3.4'
container_name: kafka3
depends_on:
- zookeeper1
- zookeeper2
- zookeeper3
ports:
- '9094:9092'
environment:
- KAFKA_CFG_ZOOKEEPER_CONNECT=zookeeper1:2181,zookeeper2:2181,zookeeper3:2181
- ALLOW_PLAINTEXT_LISTENER=yes
- KAFKA_INTER_BROKER_LISTENER_NAME=PLAINTEXT
- KAFKA_ZOOKEEPER_PROTOCOL=PLAINTEXT
- KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=PLAINTEXT:PLAINTEXT
- KAFKA_CFG_LISTENERS=PLAINTEXT://:9092
- KAFKA_CFG_ADVERTISED_LISTENERS=PLAINTEXT://:9092
- KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR=3
- KAFKA_CFG_TRANSACTION_STATE_LOG_REPLICATION_FACTOR=3
- KAFKA_CFG_TRANSACTION_STATE_LOG_MIN_ISR=2
- KAFKA_HEAP_OPTS=-Xmx512m -Xms512m
volumes:
- ./kafka-zookeeper/kafka-data3:/bitnami/kafka
kafka-kraft1:
container_name: "kafka-kraft1"
image: 'bitnami/kafka:3.4'
restart: always
ports:
- '19092:9092'
environment:
### KRaft 配置
# 允许使用 kraft ，即 Kafka 替代 Zookeeper
- KAFKA_ENABLE_KRAFT=yes
# 配置节点唯一 ID
- KAFKA_CFG_NODE_ID=1
# 配置 kafka 角色，做 broker ，也要做 controller
- KAFKA_CFG_PROCESS_ROLES=controller,broker
# 控制端集群地址
- KAFKA_CFG_CONTROLLER_QUORUM_VOTERS=1@kafka-kraft1:9093,2@kafka-kraft2:9093,3@kafka-kraft3:9093
# 使用 Kafka 时的集群 id ，集群内的 Kafka 都要用这个 id 做初始化，生成一个 UUID 即可
- KAFKA_KRAFT_CLUSTER_ID=Mg-p_2D8RFKm5qYZPgq_hA

### Listeners
# 允许使用 PLAINTEXT 监听器
- ALLOW_PLAINTEXT_LISTENER=yes
# 指定控制端使用的监听名称
- KAFKA_CFG_CONTROLLER_LISTENER_NAMES=CONTROLLER
# 指定内部使用的 Broker 监听名称
- KAFKA_CFG_INTER_BROKER_LISTENER_NAME=PLAINTEXT
# 定义安全协议
- KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=PLAINTEXT:PLAINTEXT,CONTROLLER:PLAINTEXT
# 配置 kafka 服务端 socket 监听端口
- KAFKA_CFG_LISTENERS=PLAINTEXT://:9092,CONTROLLER://:9093
# 配置外部访问地址
- KAFKA_CFG_ADVERTISED_LISTENERS=PLAINTEXT://:9092

### Cluster
# 配置偏移量主题为 3 个副本
- KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR=3
# 配置事务状态日志为 3 个副本
- KAFKA_CFG_TRANSACTION_STATE_LOG_REPLICATION_FACTOR=3
# 用于指定事务状态日志的最小 ISR 。ISR 是指与 Kafka Broker 保持同步的副本集合。如果 ISR 中的副本数量低于 2 ，则 Kafka Broker 将停止写入事务状态日志。
- KAFKA_CFG_TRANSACTION_STATE_LOG_MIN_ISR=2

# 设置堆内存
- KAFKA_HEAP_OPTS=-Xmx512m -Xms512m
volumes:
- ./kafka-kraft/kafka-data1:/bitnami/kafka
kafka-kraft2:
container_name: "kafka-kraft2"
image: 'bitnami/kafka:3.4'
restart: always
ports:
- '19093:9092'
environment:
- KAFKA_ENABLE_KRAFT=yes
- KAFKA_CFG_NODE_ID=2
- KAFKA_CFG_PROCESS_ROLES=controller,broker
- KAFKA_CFG_CONTROLLER_QUORUM_VOTERS=1@kafka-kraft1:9093,2@kafka-kraft2:9093,3@kafka-kraft3:9093
- KAFKA_KRAFT_CLUSTER_ID=Mg-p_2D8RFKm5qYZPgq_hA
- ALLOW_PLAINTEXT_LISTENER=yes
- KAFKA_CFG_CONTROLLER_LISTENER_NAMES=CONTROLLER
- KAFKA_CFG_INTER_BROKER_LISTENER_NAME=PLAINTEXT
- KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=PLAINTEXT:PLAINTEXT,CONTROLLER:PLAINTEXT
- KAFKA_CFG_LISTENERS=PLAINTEXT://:9092,CONTROLLER://:9093
- KAFKA_CFG_ADVERTISED_LISTENERS=PLAINTEXT://:9092
- KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR=3
- KAFKA_CFG_TRANSACTION_STATE_LOG_REPLICATION_FACTOR=3
- KAFKA_CFG_TRANSACTION_STATE_LOG_MIN_ISR=2
- KAFKA_HEAP_OPTS=-Xmx512m -Xms512m
volumes:
- ./kafka-kraft/kafka-data2:/bitnami/kafka
kafka-kraft3:
container_name: "kafka-kraft3"
image: 'bitnami/kafka:3.4'
restart: always
ports:
- '19094:9092'
environment:
- KAFKA_ENABLE_KRAFT=yes
- KAFKA_CFG_NODE_ID=3
- KAFKA_CFG_PROCESS_ROLES=controller,broker
- KAFKA_CFG_CONTROLLER_QUORUM_VOTERS=1@kafka-kraft1:9093,2@kafka-kraft2:9093,3@kafka-kraft3:9093
- KAFKA_KRAFT_CLUSTER_ID=Mg-p_2D8RFKm5qYZPgq_hA
- ALLOW_PLAINTEXT_LISTENER=yes
- KAFKA_CFG_CONTROLLER_LISTENER_NAMES=CONTROLLER
- KAFKA_CFG_INTER_BROKER_LISTENER_NAME=PLAINTEXT
- KAFKA_CFG_LISTENER_SECURITY_PROTOCOL_MAP=PLAINTEXT:PLAINTEXT,CONTROLLER:PLAINTEXT
- KAFKA_CFG_LISTENERS=PLAINTEXT://:9092,CONTROLLER://:9093
- KAFKA_CFG_ADVERTISED_LISTENERS=PLAINTEXT://:9092
- KAFKA_CFG_OFFSETS_TOPIC_REPLICATION_FACTOR=3
- KAFKA_CFG_TRANSACTION_STATE_LOG_REPLICATION_FACTOR=3
- KAFKA_CFG_TRANSACTION_STATE_LOG_MIN_ISR=2
- KAFKA_HEAP_OPTS=-Xmx512m -Xms512m
volumes:
- ./kafka-kraft/kafka-data3:/bitnami/kafka
kafka-ui:
image: provectuslabs/kafka-ui:latest
container_name: kafka-ui
restart: always
depends_on:
- kafka1
- kafka2
- kafka3
- kafka-kraft1
- kafka-kraft2
- kafka-kraft3
ports:
- 8080:8080
environment:
- KAFKA_CLUSTERS_0_NAME=kafka-zookeeper
- KAFKA_CLUSTERS_0_BOOTSTRAPSERVERS=172.28.13.101:9092,172.28.13.101:9093,172.28.13.101:9094
- KAFKA_CLUSTERS_1_NAME=kafka-kraft
- KAFKA_CLUSTERS_1_BOOTSTRAPSERVERS=172.28.13.101:19092,172.28.13.101:19093,172.28.13.101:19094
- SERVER_SERVLET_CONTEXT_PATH=/
- AUTH_TYPE= "LOGIN_FORM"
- SPRING_SECURITY_USER_NAME=admin
- SPRING_SECURITY_USER_PASSWORD=admin
- DYNAMIC_CONFIG_ENABLED='true'
kafka-map:
image: dushixiang/kafka-map:v1.3.3
container_name: kafka-map
restart: always
depends_on:
- kafka1
- kafka2
- kafka3
- kafka-kraft1
- kafka-kraft2
- kafka-kraft3
ports:
- 8081:8080
environment:
- DEFAULT_USERNAME=admin
- DEFAULT_PASSWORD=admin
```
kraft 我们是没有用的，之前 zookeeper 用惯了