rocketmq4.9 linux安装

1.到apache官网下载binary zip包： apache官网

2.解压zip包：

unzip rocketmq-all-4.9.0-bin-release.zip

3.进入解压后的文件夹,启动 Name Server：

nohup sh bin/mqnamesrv &

启动后会有日志输出到nohup.out文件上，可以到上面去看看是否启动成功：

tail -100f nohup.out

有以下日志说明启动成功:

Java HotSpot(TM) 64-Bit Server VM warning: Using the DefNew young collector with the CMS collector is deprecated and will likely be removed in a future release
Java HotSpot(TM) 64-Bit Server VM warning: UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release.
The Name Server boot success. serializeType=JSON

4.启动broker：

nohup sh bin/mqbroker -n localhost:9876 &

同样日志也是输出到nohup.out文件上，不改配置一般启动都会报以下错误：

Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00000005c0000000, 8589934592, 0) failed; error='Cannot allocate memory' (errno=12)
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 8589934592 bytes for committing reserved memory.
# An error report file with more information is saved as:
# /usr/sofe/rocketmq/rocketmq-all-4.9.0-bin-release/hs_err_pid6029.log
Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00000005c0000000, 8589934592, 0) failed; error='Cannot allocate memory' (errno=12)
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (mmap) failed to map 8589934592 bytes for committing reserved memory.

出现该错误是因为内存配置太大了，修改下当前目录下/bin/runbroker.sh启动配置的java内存即可：

JAVA_OPT="${JAVA_OPT} -server -Xms2g -Xmx2g -Xmn1g"

 再次启动出现以下说明成功了：

The broker[localhost.localdomain, 192.168.37.128:10911] boot success. serializeType=JSON and name server is localhost:9876

5.停掉rocketmq

sh bin/mqshutdown broker
sh bin/mqshutdown namesrv

6.测试是否可以发送和接受消息：

在发送和接收消息之前，客户需要识别名称服务器的地址。 RocketMQ有多种方法可以在客户端设置名称服务器地址。其中之一是修改环境变量namesrv_addr：
 
export NAMESRV_ADDR=localhost:9876

测试发送：

sh bin/tools.sh org.apache.rocketmq.example.quickstart.Producer
 
 

测试接收：

sh bin/tools.sh org.apache.rocketmq.example.quickstart.Consumer

以上Apache官网有rocketmq文档可以看：https://rocketmq.apache.org/docs/4.x/introduction/02quickstart