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🦑Linux system: Build Rocketmq4.3 middleware under centos7, configure monitoring station :


1) Download the installation package
URL

https://www.apache.org/dyn/closer.cgi?path=rocketmq/4.3.2/rocketmq-all-4.3.2-bin-release.zip
# We suggest the following mirror site for your download
http://mirrors.tuna.tsinghua.edu.cn/apache/rocketmq/4.3.2/rocketmq-all-4.3.2-bin-release.zip

2) Upload files
[root@localhost mysoft]# pwd
/usr/local/mysoft
[root@localhost mysoft]# unzip rocketmq-all-4.3.2-bin-release.zip
[root@localhost mysoft]# mv rocketmq-all-4.3.2-bin-release rocket4.3
[root@localhost mysoft]# rm -f rocketmq-all-4.3.2-bin-release.zip

3) Modify the relevant configuration
The default configuration of rocketmq is extremely memory intensive and needs to be modified.

1) Modify the runserver.sh configuration,

comment out the original, and add a new configuration

[root@localhost bin]# vim runserver.sh
#JAVA_OPT="${JAVA_OPT} -server -Xms4g -Xmx4g -Xmn2g -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=320m"
JAVA_OPT="${JAVA_OPT} -server -Xms256m -Xmx256m -Xmn512m -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=320m"

2) Modify the configuration of runbroker.sh,

comment out the original and add a new configuration

[root@localhost bin]# vim runbroker.sh
#JAVA_OPT="${JAVA_OPT} -server -Xms8g -Xmx8g -Xmn4g"
JAVA_OPT="${JAVA_OPT} -server -Xms256m -Xmx256m -Xmn128m"

3) Modify the tools.sh configuration,

comment out the original and add a new configuration

[root@localhost bin]# vim tools.sh
#JAVA_OPT="${JAVA_OPT} -server -Xms1g -Xmx1g -Xmn256m -XX:PermSize=128m -XX:MaxPermSize=128m"
JAVA_OPT="${JAVA_OPT} -server -Xms256m -Xmx256m -Xmn256m -XX:PermSize=128m -XX:MaxPermSize=128m"

4) Start the service
To start in order

nohup sh /usr/local/mysoft/rocket4.3/bin/mqnamesrv

nohup sh /usr/local/mysoft/rocket4.3/bin/mqbroker -n localhost:9876

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