storm整合用例

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# 基于Zookeeper搭建Kafka高可用集群
## 一、Zookeeper集群搭建
## 二、Kafka集群搭建
### 2.1 下载解压
Kafka安装包官方下载地址http://kafka.apache.org/downloads ,本用例下载的版本为`2.2.0`,下载命令:
```shell
# 下载
wget https://www-eu.apache.org/dist/kafka/2.2.0/kafka_2.12-2.2.0.tgz
```
这里说明一下kafka安装包的命名规则`kafka_2.12-2.2.0.tgz`为例前面的2.12代表Scala的版本号Kafka是采用Scala语言开发的后面的2.2.0代表Kafka的版本号。
```shell
# 解压
tar -xzf kafka_2.12-2.2.0.tgz
```
### 2.2 拷贝配置文件
进入解压目录的` config`目录下 ,拷贝三份配置文件
```shell
# cp server.properties server-1.properties
# cp server.properties server-2.properties
# cp server.properties server-3.properties
```
### 2.3 修改配置
分别修改三份配置文件中的部分配置,如下:
server-1.properties
```properties
# The id of the broker. 集群中每个节点的唯一标识
broker.id=0
# 监听地址
listeners=PLAINTEXT://hadoop001:9092
# 日志文件存放位置
log.dirs=/usr/local/kafka-logs/00
# Zookeeper连接地址
zookeeper.connect=hadoop001:2181,hadoop001:2182,hadoop001:2183
```
server-2.properties
```properties
broker.id=1
listeners=PLAINTEXT://hadoop001:9093
log.dirs=/usr/local/kafka-logs/01
zookeeper.connect=hadoop001:2181,hadoop001:2182,hadoop001:2183
```
server-3.properties
```properties
broker.id=2
listeners=PLAINTEXT://hadoop001:9094
log.dirs=/usr/local/kafka-logs/02
zookeeper.connect=hadoop001:2181,hadoop001:2182,hadoop001:2183
```
### 2.4 启动集群
分别指定不同配置文件启动三个Kafka节点
```shell
bin/kafka-server-start.sh config/server-1.properties
bin/kafka-server-start.sh config/server-2.properties
bin/kafka-server-start.sh config/server-3.properties
```
启动后使用jps查看进程此时应该有三个zookeeper进程和三个kafka进程
```shell
[root@hadoop001 kafka_2.12-2.2.0]# jps
14288 QuorumPeerMain
18385 Jps
16228 Kafka
17653 Kafka
14374 QuorumPeerMain
16826 Kafka
14446 QuorumPeerMain
```
### 2.5 创建测试主题
创建测试主题:
```shell
bin/kafka-topics.sh --create --bootstrap-server hadoop001:9092 --replication-factor 3 --partitions 1 --topic my-replicated-topic
```
查看主题信息:
```shell
bin/kafka-topics.sh --describe --bootstrap-server hadoop001:9092 --topic my-replicated-topic
```
![kafka-cluster-shell](D:\BigData-Notes\pictures\kafka-cluster-shell.png)
还可以进一步创建一个消费者和一个生产者进行测试:
```shell
# 创建生产者
bin/kafka-console-producer.sh --broker-list hadoop001:9093 --topic my-replicated-topic
```
```shell
# 创建消费者
bin/kafka-console-consumer.sh --bootstrap-server hadoop001:9094 --from-beginning --topic my-replicated-topic
```