MQ整理—安装搭建一

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.上篇对mq进行了简单的了解，本篇则了解一下mq的搭建过程.集群搭建类型分为好多种，多master模式；多master多slave模式。本篇我们则针对多master模式进行搭建：

一、操作etc\hosts(hosts添加信息）

我搭建的mq是通过66.132和66.137两个ip实现的mq集群。
  192.168.66.132 rocketmq-nameserver1
  192.168.66.132 rocketmq-master1
  192.168.66.137 rocketmq-nameserver2
  192.168.66.137 rocketmq-master2

二、重启网卡：service network restart

        [root@bogon java]# service network restart        Shutting down interface eth0:  Device state: 3 (disconnected)        [  OK  ]        Shutting down loopback interface:  [  OK  ]        Bringing up loopback interface:  [  OK  ]        Bringing up interface eth0:  Active connection state: activating        Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/1        state: activated        Connection activated        [  OK  ]

三、互相ping，看是否能ping通

        [root@bogon ~]# ping 192.168.66.132        PING 192.168.66.132 (192.168.66.132) 56(84) bytes of data.        64 bytes from 192.168.66.132: icmp_seq=1 ttl=64 time=0.506 ms        64 bytes from 192.168.66.132: icmp_seq=2 ttl=64 time=0.181 ms        64 bytes from 192.168.66.132: icmp_seq=3 ttl=64 time=0.172 ms        ^C        --- 192.168.66.132 ping statistics ---        3 packets transmitted, 3 received, 0% packet loss, time 2494ms        rtt min/avg/max/mdev = 0.172/0.286/0.506/0.155 ms        [root@bogon ~]# ping rocketmq-nameserver2        PING rocketmq-nameserver2 (192.168.66.132) 56(84) bytes of data.        64 bytes from rocketmq-nameserver2 (192.168.66.132): icmp_seq=1 ttl=64 time=0.314 ms        64 bytes from rocketmq-nameserver2 (192.168.66.132): icmp_seq=2 ttl=64 time=0.279 ms        ^C        --- rocketmq-nameserver2 ping statistics ---        2 packets transmitted, 2 received, 0% packet loss, time 1461ms        rtt min/avg/max/mdev = 0.279/0.296/0.314/0.024 ms        [root@bogon ~]# ping rocketmq-master2        PING rocketmq-master2 (192.168.66.132) 56(84) bytes of data.        64 bytes from rocketmq-nameserver2 (192.168.66.132): icmp_seq=1 ttl=64 time=5.91 ms        64 bytes from rocketmq-nameserver2 (192.168.66.132): icmp_seq=2 ttl=64 time=0.495 ms        ^C        --- rocketmq-master2 ping statistics ---        2 packets transmitted, 2 received, 0% packet loss, time 1648msrtt min/avg/max/mdev = 0.495/3.202/5.910/2.708 ms

四、上传文件，解压【两台机器】且建立软连接

解压：tar -axvf alibaba-rocketmq-3.2.6.tar.gz -C /usr/local/
建立软连接：ln -s alibaba-rocketmq-3.2.6 rocketmq

五、创建存储路径

        [root@bogon rocketmq]# mkdir /usr/local/rocketmq/store        [root@bogon rocketmq]# mkdir /usr/local/rocketmq/store/commitlog        [root@bogon rocketmq]# mkdir /usr/local/rocketmq/store/consumequeue        [root@bogon rocketmq]# mkdir /usr/local/rocketmq/store/index

六、修改RocketMQ配置文件

需要注意的是brokerName的配置，broker-a.properties broker-b.properties分别配置broker-a和broker-b

terName=rocketmq-cluster#broker名字，注意此处不同的配置文件填写的不一样brokerName=broker-a#0 表示 Master， >0 表示 SlavebrokerId=0#nameServer地址，分号分割namesrvAddr=rocketmq-nameserver1:9876;rocketmq-nameserver2:9876#在发送消息时，自动创建服务器不存在的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#文件保留时间，默认 48 小时fileReservedTime=120#commitLog每个文件的大小默认1GmapedFileSizeCommitLog=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#Broker 的角色#- ASYNC_MASTER 异步复制Master#- SYNC_MASTER 同步双写Master#- SLAVEbrokerRole=ASYNC_MASTER#刷盘方式#- ASYNC_FLUSH 异步刷盘#- SYNC_FLUSH 同步刷盘flushDiskType=ASYNC_FLUSH#checkTransactionMessageEnable=false#发消息线程池数量#sendMessageThreadPoolNums=128#拉消息线程池数量#pullMessageThreadPoolNums=128

配置到这里，搭建的流程已经操作了一半了，后续请看下片。

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