【生产】部署RocketMQ:https://www.jianshu.com/p/4e83cb89f158
JVM启动配置(以主为例子)
![](https://img.haomeiwen.com/i4112748/3592c4274bd64dcf.png)
最大内存:JVM堆(1G)+元数据空间(128M)+Netty堆外(2G)+RocketMQ堆外(2G)=5.125G
RocketMQ消息积累7千万时
![](https://img.haomeiwen.com/i4112748/46bbe9d5103ad1f1.png)
Liniux内存显示:共消耗4.8G
![](https://img.haomeiwen.com/i4112748/f9eee508aed8ba15.png)
![](https://img.haomeiwen.com/i4112748/80f3bd803a91ad89.png)
JProfile内存显示:堆内存1G
![](https://img.haomeiwen.com/i4112748/233d217749f27edf.png)
jstat –gccapacity pid内存显示:
![](https://img.haomeiwen.com/i4112748/d510f138990deeb4.png)
新生代内存(EC):544M
老年代内存(OC):480M
最大元数据空间(MCMX):144M、最大压缩类空间(CCSMX):120M
当前元数据空间(CCSC):25M、当前压缩类空间(CCSC):2.5M
RocketMQ堆外映射:(JDK11)
![](https://img.haomeiwen.com/i4112748/dce296896de6a005.png)
![](https://img.haomeiwen.com/i4112748/bd0a9419336e82f6.png)
![](https://img.haomeiwen.com/i4112748/99e28241d4040869.png)
![](https://img.haomeiwen.com/i4112748/bc0a807fa1835a31.png)
Netty堆外映射:
![](https://img.haomeiwen.com/i4112748/eaa877a24de8d584.png)
![](https://img.haomeiwen.com/i4112748/753cf9ac2bf320b2.png)
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