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rocketmq的默认启动参数占用的内存实在是太大了，小于8G的电脑无法启动，docker中的开发环境又不可能用这么大，通用的该法是改sh文件
修改文件如下
runbroker.sh 默认8G
JAVA_OPT="${JAVA_OPT} -server -Xms${Xms} -Xmx${Xmx} -Xmn${Xmn}"改为
JAVA_OPT="${JAVA_OPT} -server -Xms256m -Xmx1g -Xmn125m"runserver.sh 默认4G
JAVA_OPT="${JAVA_OPT} -server -Xms${Xms} -Xmx${Xmx} -Xmn${Xmn}"改为
JAVA_OPT="${JAVA_OPT} -server -Xms256m -Xmx1g -Xmn125m"rocketmq docker compose启动配置
rocketmq:image: apache/rocketmq:4.9.6container_name: rocketmqports: - 9876:9876volumes:- '${PWD}/rocketmq/bin/runserver.sh:/home/rocketmq/rocketmq-4.9.6/bin/runserver.sh'environment:- "MAX_POSSIBLE_HEAP=1073741824"- "HEAP_NEWSIZE=131072000"command: sh mqnamesrvrestart: alwaysmqbroker:image: apache/rocketmq:4.9.6container_name: mqbrokerports:- 10909:10909- 10911:10911- 10912:10912volumes:- '${PWD}/rocketmq/conf/broker.conf:/home/rocketmq/rocketmq-4.9.6/conf/broker.conf'- '${PWD}/rocketmq/bin/runbroker.sh:/home/rocketmq/rocketmq-4.9.6/bin/runbroker.sh'environment:- "MAX_POSSIBLE_HEAP=1073741824"- "HEAP_NEWSIZE=131072000"command: sh mqbroker -n rocketmq:9876restart: always其中broker.conf内容如下
brokerIP1=127.0.0.1另外两个配置文件从容器里拷贝出来按照上面的修改jvm参数即可