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Apache-2.0

#springboot-order-mybaits-activeMQ

项目主框架采用springboot,介绍Zookeeper集群安装和ActiveMQ的高可用集群安装方式,以及基于ActiveMQ简单的消息队列应用场景!

一、虚拟机安装

开启一个虚拟机,虚拟机安装非本文范畴,可查阅相关资料。
在安装Zookeeper,ActiveMQ之前需要先将虚拟机防火墙关闭,并配置好网络。
虚拟机IP设置为:10.16.70.134,此处可根据自己网络环境自行设置。
需要保证虚拟机可连接外网,以方便执行wget,yum等命令安装相关软件。
需要保证虚拟机中已安装JDK1.8,并且已配置好环境变量,JDK安装非本文范畴,可查阅相关资料。

二、Zookeeper 集群搭建

下载并上传zookeeper-3.4.6.tar.gz到各个服务器的/usr/local/目录,或者使用wget命令,如下:
cd /usr/local/
wget http://apache.fayea.com/zookeeper/zookeeper-3.4.6/zookeeper-3.4.6.tar.gz
tar -zxvf zookeeper-3.4.6.tar.gz
在各个服务器上解压zookeeper安装包,并按节点号对zookeeper目录重命名
# 服务器1
cp -r zookeeper-3.4.6 zookeeper-3.4.6_1
# 服务器2
cp -r zookeeper-3.4.6 zookeeper-3.4.6_2
# 服务器3
cp -r zookeeper-3.4.6 zookeeper-3.4.6_3
在各zookeeper节点目录下创建以下目录
cd /usr/local/zookeeper-3.4.6_1
mkdir data
mkdir logs
cd /usr/local/zookeeper-3.4.6_2
mkdir data
mkdir logs
cd /usr/local/zookeeper-3.4.6_3
mkdir data
mkdir logs
将各节点zookeeper/zookeeper-3.4.6_x/conf目录下的zoo_sample.cfg文件拷贝一份,命名为zoo.cfg:
cd /usr/local/zookeeper-3.4.6_1/conf
cp zoo_sample.cfg zoo.cfg
cd /usr/local/zookeeper-3.4.6_2/conf
cp zoo_sample.cfg zoo.cfg
cd /usr/local/zookeeper-3.4.6_3/conf
cp zoo_sample.cfg zoo.cfg
修改 zoo.cfg 配置文件
cd /usr/local/zookeeper-3.4.6_1/conf
# 设置内容如下:
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/usr/local/zookeeper-3.4.6_1/data
dataLogDir=/usr/local/zookeeper-3.4.6_1/logs
clientPort=2181
server.1=10.16.70.134:2881:3881
server.2=10.16.70.134:2882:3882
server.3=10.16.70.134:2883:3883
# -----------------------------------
cd /usr/local/zookeeper-3.4.6_2/conf
vi zoo.cfg
# 设置内容如下:
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/usr/local/zookeeper-3.4.6_2/data
dataLogDir=/usr/local/zookeeper-3.4.6_2/logs
clientPort=2182
server.1=10.16.70.134:2881:3881
server.2=10.16.70.134:2882:3882
server.3=10.16.70.134:2883:3883
# -----------------------------------
cd /usr/local/zookeeper-3.4.6_3/conf
vi zoo.cfg
# 设置内容如下:
tickTime=2000
initLimit=10
syncLimit=5
dataDir=/usr/local/zookeeper-3.4.6_3/data
dataLogDir=/usr/local/zookeeper-3.4.6_3/logs
clientPort=2183
server.1=10.16.70.134:2881:3881
server.2=10.16.70.134:2882:3882
server.3=10.16.70.134:2883:3883
在dataDir=/usr/local/zookeeper-3.4.6_x/data下创建 myid 文件
vi /usr/local/zookeeper-3.4.6_1/data/myid #设置值为1
vi /usr/local/zookeeper-3.4.6_2/data/myid #设置值为2
vi /usr/local/zookeeper-3.4.6_3/data/myid #设置值为3
启动并查看zookeeper:
cd /usr/local
/usr/local/zookeeper-3.4.6_1/bin/zkServer.sh start
/usr/local/zookeeper-3.4.6_2/bin/zkServer.sh start
/usr/local/zookeeper-3.4.6_3/bin/zkServer.sh start
验证zookeeper启动情况
/usr/local/zookeeper-3.4.6_1/bin/zkServer.sh status
/usr/local/zookeeper-3.4.6_2/bin/zkServer.sh status
/usr/local/zookeeper-3.4.6_3/bin/zkServer.sh status
  • 如果启动成功,三台机器结果类似如下,标红部分为一个leader,两个follower:
[root@centos7 local]# /usr/local/zookeeper-3.4.6_1/bin/zkServer.sh status
JMX enabled by default
Using config: /usr/local/zookeeper-3.4.6_1/bin/../conf/zoo.cfg
Mode: "follower"
[root@centos7 local]# /usr/local/zookeeper-3.4.6_2/bin/zkServer.sh status
JMX enabled by default
Using config: /usr/local/zookeeper-3.4.6_2/bin/../conf/zoo.cfg
Mode: "leader"
[root@centos7 local]# /usr/local/zookeeper-3.4.6_3/bin/zkServer.sh status
JMX enabled by default
Using config: /usr/local/zookeeper-3.4.6_3/bin/../conf/zoo.cfg
Mode: "follower"
  • zookeeper集群搭建成功

三、ActiveMQ集群集群搭建

下载并上传apache-activemq-5.9.0-bin.tar.gz到各个服务器的/usr/local/目录,或者使用wget命令,如下:
cd /usr/local/
wget wget http://archive.apache.org/dist/activemq/apache-activemq/5.9.0/apache-activemq-5.9.0-bin.tar.gz
tar -zxvf apache-activemq-5.9.0-bin.tar.gz
在各个服务器上解压ActiveMQ安装包,并按节点号对ActiveMQ目录重命名
# 服务器1
cp -r apache-activemq-5.9.0 activemq-5.9.0_1
# 服务器2
cp -r apache-activemq-5.9.0 activemq-5.9.0_2
# 服务器3
cp -r apache-activemq-5.9.0 activemq-5.9.0_3

在3个ActiveMQ节点中配置conf/jetty.xml中的监控端口

# 节点1
<bean id="jettyPort" class="org.apache.activemq.web.WebConsolePort" init-method="start">
        <property name="port" value="8161"/>
</bean>
# 节点2
<bean id="jettyPort" class="org.apache.activemq.web.WebConsolePort" init-method="start">
        <property name="port" value="8162"/>
</bean>
# 节点3
<bean id="jettyPort" class="org.apache.activemq.web.WebConsolePort" init-method="start">
        <property name="port" value="8163"/>
</bean>

broker-name的统一

# 将broker标签的brokerName属性设置为统一的值,我将这个值设置为“order”,只有三个实例的brokerName一致,zookeeper才能识别它们属于同一个集群。

persistenceAdapter的配置

  • persistenceAdapter设置持久化方式,主要有三种方式:kahaDB(默认方式)、数据库持久化、levelDB(v5.9.0提供支持)。
  • 本文采用levelDB来进行持久化,并使用zookeeper实现集群的高可用,配置如下:
# 首先注释掉原来kahaDB的持久化方式,然后配置levelDB+zookeeper的持久化方式
# 节点1
<persistenceAdapter>
  <replicatedLevelDB
    directory="${activemq.data}/leveldb"
    replicas="3"
    bind="tcp://0.0.0.0:0"
    zkAddress="localhost:2181,localhost:2182,localhost:2183"
    hostname="10.16.70.134"
    zkPath="/activemq/leveldb-stores"/>
</persistenceAdapter>
# 节点2
<persistenceAdapter>
  <replicatedLevelDB
    directory="${activemq.data}/leveldb"
    replicas="3"
    bind="tcp://0.0.0.0:0"
    zkAddress="localhost:2181,localhost:2182,localhost:2183"
    hostname="10.16.70.134"
    zkPath="/activemq/leveldb-stores"/>
</persistenceAdapter>
# 节点3
<persistenceAdapter>
  <replicatedLevelDB
    directory="${activemq.data}/leveldb"
    replicas="3"
    bind="tcp://0.0.0.0:0"
    zkAddress="localhost:2181,localhost:2182,localhost:2183"
    hostname="10.16.70.134"
    zkPath="/activemq/leveldb-stores"/>
</persistenceAdapter>

修改各节点的消息端口

节点1:
<transportConnector name="openwire" uri="tcp://10.16.70.134:61616?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
节点2:
<transportConnector name="openwire" uri="tcp://10.16.70.134:61617?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>
节点3:
<transportConnector name="openwire" uri="tcp://10.16.70.134:61618?maximumConnections=1000&amp;wireFormat.maxFrameSize=104857600"/>

按顺序启动 3 个 ActiveMQ 节点:

节点1:
/usr/local/activemq-5.9.0_1/bin/activemq start
节点2:
/usr/local/activemq-5.9.0_2/bin/activemq start
节点3:
/usr/local/activemq-5.9.0_3/bin/activemq start

监听日志:

节点1:
tail -f /usr/local/activemq-5.9.0_1/data/activemq.log
节点2:
tail -f /usr/local/activemq-5.9.0_2/data/activemq.log
节点3:
tail -f /usr/local/activemq-5.9.0_3/data/activemq.log

集群搭建完毕

  • 说明1:本文采用的是官网中提到的三种集群方案中的<可复制的LevelDB>,其它方式请参考官网。
  • 说明2:经测试,此部署方案继承了Zookeeper的特性,即需要有大于一半机器存活,则集群状态正常
  • 说明3:由于ActiveMQ 的客户端只能访问Master的Broker,其他处于Slave的Broker不能访问。所以客户端连接Broker应该使用failover协议。
    即:failover:(tcp://10.16.70.134:61616,tcp://10.16.70.134:61617,tcp://10.16.70.134:61618)?randomize=false
  • 说明4:三个节点的管理地址:
    http://10.16.70.134:8161/admin/index.jsp
    http://10.16.70.134:8162/admin/index.jsp
    http://10.16.70.134:8163/admin/index.jsp
    因为使用zookeeper做负载均衡,三台只有一台是master,其他两台处于等待状态,所以只有其中一台提供服务,但一旦这台服务器宕机以后,会有另外一台顶替上来,所以其他几个ip地址是打不开的,只有一台能打开。

###参考

http://zookeeper.apache.org/
http://activemq.apache.org/

期望

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简介

项目主框架采用springboot,介绍Zookeeper集群安装和ActiveMQ的高可用集群安装方式,以及基于ActiveMQ简单的消息队列应用场景! 展开 收起
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