一、集群组成说明
1. 搭建 Pulsar 集群至少需要 3 个组件:ZooKeeper 集群、BookKeeper 集群和 broker 集群(Broker 是 Pulsar 的自身实例)。这三个集群组件如下:
ZooKeeper 集群(3 个 ZooKeeper 节点组成)
bookie 集群(也称为 BookKeeper 集群,3 个 BookKeeper 节点组成)
broker 集群(3 个 Pulsar 节点组成)
2. Pulsar 的安装包已包含了搭建集群所需的各个组件库。无需单独下载 ZooKeeper 安装包和 BookKeeper 安装包。

、安装JDK

在 3 台 Linux 裸机服务器上安装 JDK(要求版本不低于 JDK 8)安装略过

下载最新版本pulsar,https://pulsar.apache.org/download/ 上传至3台服务器

解压安装包到指定目录

$tar -zxvf apache-pulsar-2.3.2-bin.tar.gz -C /data

、配置部署 ZooKeeper 集群

/data/apache-pulsar-2.3.2$ cd /data/apache-pulsar-2.3.2/conf

/data/apache-pulsar-2.3.2$ vim zookeeper.conf

# The number of milliseconds of each tick

tickTime=2000

# The number of ticks that the initial 

# synchronization phase can take

initLimit=10

# The number of ticks that can pass between 

# sending a request and getting an acknowledgement

syncLimit=5

# the directory where the snapshot is stored.

# do not use /tmp for storage, /tmp here is just 

# example sakes.

dataDir=/data/zookeeper/zookeeper

dataLogDir=/data/zookeeper/logs

# the port at which the clients will connect

clientPort=2181

# the maximum number of client connections.

# increase this if you need to handle more clients

maxClientCnxns=300

#

# Be sure to read the maintenance section of the 

# administrator guide before turning on autopurge.

#

# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance

#

# The number of snapshots to retain in dataDir

autopurge.snapRetainCount=180

# Purge task interval in hours

# Set to "0" to disable auto purge feature

autopurge.purgeInterval=180


server.1=HOSTNAME:2888:3888

server.2=HOSTNAME:2888:3888

server.3=HOSTNAME:2888:3888

# 新建文件目录
/data/apache-pulsar-2.3.2$ mkdir -PV /data/zookeeper/zookeeper

/data/apache-pulsar-2.3.2$ mkdir -PV /data/zookeeper/logs

# 新建文件 myid,分别在指定的sever上写入配置文件中指定的编号
server.1服务器上

echo 1 > data/zookeeper/zookeeper/myid

server.2服务器上

/data/apache-pulsar-2.3.2$ echo 2 > data/zookeeper/zookeeper/myid

server.3服务器上

/data/apache-pulsar-2.3.2$ echo 3 > data/zookeeper/zookeeper/myid

# 执行后台运行命令
/data/apache-pulsar-2.3.2$ bin/pulsar-daemon start zookeeper

# 执行 zookeeper 客户端连接命令
/data/apache-pulsar-2.3.2$ bin/pulsar zookeeper-shell

#注意Enter 键进入命令行界面后,可完全使用 ZooKeeper 的各种命令,如ls、get等命令。使用quit命令退出

#在任一个 ZooKeeper 节点,初始化集群元数据。

/data/apache-pulsar-2.3.2$bin/pulsar initialize-cluster-metadata \

  --cluster pulsar-cluster-zk \

  --zookeeper HOSTNAMEIP:2181 \

  --configuration-store HOSTNAMEIP:2181 \

  --web-service-url http://HOSTNAMEIP:8080 \

  --web-service-url-tls https://HOSTNAMEIP:8443 \

  --broker-service-url pulsar://HOSTNAMEIP:6650 \

  --broker-service-url-tls pulsar+ssl://HOSTNAMEIP:6651

#查看集群元数据是否初始化成功,看到如下图所内容,表示初始化成功

$ bin/pulsar zookeeper-shellimage.png

配置部署 BookKeeper 集群

编辑 bookkeeper.conf 文件

/data/apache-pulsar-2.3.2$ vim conf/bookkeeper.conf 

advertisedAddress=HOSTNAMEIP

zkServers=ZKSERVER1:2181,ZKSERVER2:2181,ZKSERVER3:2181

journalDirectory=/data/bookkeeper/journal

ledgerDirectories=/data/bookkeeper/ledgers

#创建bookie所需要目录

/data/apache-pulsar-2.3.2$ mkdir -pv /data/bookkeeper/

#执行初始化元数据命令;若出现提示,输入 Y,继续(只需在一个bookie节点执行一次)
/data/apache-pulsar-2.3.2$ bin/bookkeeper shell metaformat

#以后台进程启动bookie
/data/apache-pulsar-2.3.2$ bin/pulsar-daemon start bookie
#按照以上步骤,启动另外两个 bookie 节点。

如果出现报错

image.png

就是/data/bookkeeper/journal/current/VERSION   /data/bookkeeper/ledgers/current/VERSION 这两个文件与zk上的文件不一致造成的,将journal 和ledgers文件删除,在把zk的注册信息删除,得新注册一遍就好


image.png

验证是否启动成功
/data/apache-pulsar-2.3.2$ bin/bookkeeper shell bookiesanity

image.png

/data/apache-pulsar-2.3.2$  vim logs/pulsar-bookie-HOSTNAME.out.2 

image.png

如果验证出现以上错误。

#解决方案:查看8000端口是否被占用

$egrep -v '^#|^$' conf/bookkeeper.conf

image.png

将prometheusStatsHttpPort=8000 端口更改掉

将bookie关闭

/data/apache-pulsar-2.3.2$ $bin/pulsar-daemon stop bookie

启动bookie

/data/apache-pulsar-2.3.2$ $bin/pulsar-daemon start bookie

验证是否启动成功,出现如下显示,表示启动成功Bookie

/data/apache-pulsar-2.3.2$ bin/bookkeeper shell bookiesanity

image.png

五、部署配置 Broker 集群

/data/apache-pulsar-2.3.2$ vim conf/broker.conf 

zookeeperServers=ZKSERVER1:2181,ZKSERVER2:2181,ZKSERVER3:2181

configurationStoreServers=ZKSERVER1:2181,ZKSERVER2:2181,ZKSERVER3:2181

advertisedAddress=HOSTNAME

clusterName=pulsar-cluster-zk

#以后台进程启动 broker
/data/apache-pulsar-2.3.2$ bin/pulsar-daemon start broker

image.png

查看集群 brokers 节点情况
/data/apache-pulsar-2.3.2$ bin/pulsar-admin brokers list pulsar-cluster

image.png

docker 安装 apachepulsar/pulsar-dashboard

#docker安装略过

#docker run --name pulsar-dashboard -dit -p 80:80 -e SERVICE_URL=http://PULSARSEVERIP:8080  apachepulsar/pulsar-dashboard

通过浏览器访问docker 宿主机IP

image.png