0.设置host(多(三台机器)master)
192.168.0.223 rocketmq-nameserver223
192.168.0.223 rocketmq-master223
192.168.0.224 rocketmq-nameserver224
192.168.0.224 rocketmq-master224
192.168.0.225 rocketmq-nameserver225
192.168.0.225 rocketmq-master2251.安装jdk:
2.源码安装和非源码安装的区别是，非源码安装不需要要maven,直接通过编译包：
把rocketmq-all-4.2.0-bin-release.zip文件上传到/usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target
3.解压到apache-rocketmq目录下：
unzip rocketmq-all-4.2.0-bin-release.zip -d apache-rocketmq
4.修改/usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/bin
目录下runbroker.sh和runserver.sh中java启动内存改小点，不然启动不了，因为这两个服务的默认内存是4g和4g
修改配置文件，broker-c.properties没有就复制一个
vi /usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/conf/2m-noslave/broker-a.properties
vi /usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/conf/2m-noslave/broker-b.properties
vi /usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/conf/2m-noslave/broker-c.properties
用下面替换原有文件的内容（只需要修改对应的broker-a|b|c）
########################################################
#所属集群名字
brokerClusterName=DefaultCluster
#broder名字，注意这里不同的配置文件配置不一样
brokerName=broker-a#0表示master,>0表示slave
brokerId=0#nameServer地址,分号分隔
namesrvAddr=rocketmq-nameserver223:9876;rocketmq-nameserver224:9876;rocketmq-nameserver225:9876#发送消息时自动撞见服务器不存在的topic,默认创建的队列数
defaultTopicQueueNums=4#是否允许broker自动创建Topic,建议线下开启，线上关闭
autoCreateTopicEnable=true#是否允许broker自动创建订阅组,建议线下开启，线上关闭
autoCreateSubscriptionGroup=true#broker对外服务的监听端口
listenPort=10911#删除文件时间点，默认凌晨4点
deleteWhen=04#文件默认保留时间，默认48小时
fileReservedTime=48#borker角色：ASYNC_MASTER-异步复制master;SYNC_MASTER-同步双写master;SLAVE
brokerRole=ASYNC_MASTER#刷盘方式：ASYNC_FLUSH-异步刷盘，SYNC_FLUSH同步刷盘
flushDiskType=ASYNC_FLUSH#commitLog每个文件的大小默认1G
mapedFileSizeCommitLog=1073741824#ConsumeQueue每个文件默认存30W条，根据业务情况调整
mapedFileSizeConsumeQueue=300000
#destroyMapedFileIntervalForcibly=120000
#redeleteHangedFileInterval=120000#检测物理文件磁盘空间
diskMaxUsedSpaceRatio=88#存储路径
#storePathRootDir=/usr/local/rocketmq/store#commitLog 存储路径
#storePathCommitLog=/usr/local/rocketmq/store/commitlog#消费队列存储路径存储路径
#storePathConsumeQueue=/usr/local/rocketmq/store/consumequeue#消息索引存储路径
#storePathIndex=/usr/local/rocketmq/store/index#checkpoint 文件存储路径
#storeCheckpoint=/usr/local/rocketmq/store/checkpoint#abort 文件存储路径
#abortFile=/usr/local/rocketmq/store/abort#限制的消息大小
maxMessageSize=65536
#flushCommitLogLeastPages=4
#flushConsumeQueueLeastPages=2
#flushCommitLogThoroughInterval=10000
#flushConsumeQueueThoroughInterval=60000########################################################
4.Start Name Server(先启动所有的nameServer然后在启动borker,如果停止的话顺序需要反过来)
nohup sh /usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/bin/mqnamesrv &
tail -f ~/logs/rocketmqlogs/namesrv.log
结果The Name Server boot success...
停止命令：
sh /usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/bin/mqshutdown namesrv5.Start Broker（三个机器启动borker分别指定a|b|c配置文件）
nohup sh /usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/bin/mqbroker -c /usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/conf/2m-noslave/broker-a.properties &
tail -f ~/logs/rocketmqlogs/broker.log
结果The broker[%s, 172.30.30.233:10911] boot success...
停止命令：
sh /usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/bin/mqshutdown broker设置开机启动
vi /etc/rc.local
su - root -c 'nohup sh /usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/bin/mqnamesrv &'
su - root -c 'nohup sh /usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/bin/mqbroker -n localhost:9876 &'配置环境变量：
vi /etc/profileexport ROCKETMQ_HOME=/usr/local/rocketmq-source/rocketmq-all-4.2.0/distribution/target/apache-rocketmq
PATH=$JAVA_HOME/bin:$MAVEN_HOME/bin:$ROCKETMQ_HOME/bin:$PATH
export NAMESRV_ADDR=192.168.0.XXX:9876source /etc/profile
5.5放开9876端口，以及下面管控台需要用到的12581端口
vi /etc/sysconfig/iptables
-A INPUT -m state --state NEW -m tcp -p tcp --dport 12581 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 9876 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 10911 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 10909 -j ACCEPTservice iptables restart6.安装控制台（界面）
上传rocketmq-console-ng-1.0.0.jar到上面其中一台服务器的/home/rocket-mq-console目录中
进入目录执行（如果有源码可以修改配置文件在打包，通过以下命令运行）：
nohup java -jar /home/rocket-mq-console/rocketmq-console-ng-1.0.0.jar &
设置开机启动
vi /etc/rc.local
su - root -c 'nohup java -jar /home/rocket-mq-console/rocketmq-console-ng-1.0.0.jar &'备注：有时候可能会出现有新加进去的节点接收不到消息，尝试下关闭其他节点，剩下新节点后是否能接收到消息
通过jps命令可以查看其对应的java进程
6.如何清空rocketMQ数据：
停止nameserver和broker服务：先停止broker再停止nameserver
然后清空store目录，然后在新建对应的目录，默认在用户根目录下，如/root/store
cd /root
cp -r store store_backup
rm -rf store
mkdir store
mkdir store/commitlog
mkdir store/consumequeue
mkdir store/index
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