rocketMq安装

环境：

1.jdk环境
2.maven环境
3.rocketmq环境

环境变量配置

export JAVA_HOME=/usr/java/jdk1.8.0_321
export JRE_HOME=/usr/java/jdk1.8.0_321/jre
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRE_HOME/lib
export PATH=${JAVA_HOME}/bin:$PATH
export MAVEN_HOME=/usr/local/maven
export PATH=$MAVEN_HOME/bin:$PATH
export ROCKETMQ_HOME=/opt/rocketmq/rocketmq-all-4.2.0/distribution/target/apache-rocketmq

## 编译

进入到rocketmq文件下执行

mvn -Prelease-all -DskipTests clean install -U

开启NameServer：
nohup sh bin/mqnamesrv &
日志：
tail -f ~/logs/rocketmqlogs/namesrv.log

启动broker服务：
nohup sh bin/mqbroker -n localhost:9876 &
查看nohub.out的执行结果

这些命令要到rocketMq的target目录的bin目录下
/opt/rocketmq/rocketmq-all-4.2.0/distribution/target/apache-rocketmq/bin

报错的话，看一下启动内存

JAVA_OPT="${JAVA_OPT} -server -Xms256m -Xmx256m -Xmn128m -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=320m"