環境是vmvare+ubuntu
1、http://rocketmq.apache.org/docs/quick-start/ 按照官網來啟動mqnamesrv和mqbroker報錯
錯誤如下
There is insufficient memory for the Java Runtime Environment to continue.
There is insufficient memory for the Java Runtime Environment to continue.
Native memory allocation (mmap) failed to map 8589934592 bytes for committing reserved memory.
Possible reasons:
The system is out of physical RAM or swap space
In 32 bit mode, the process size limit was hit
Possible solutions:
Reduce memory load on the system
Increase physical memory or swap space
Check if swap backing store is full
Use 64 bit Java on a 64 bit OS
Decrease Java heap size (-Xmx/-Xms)
Decrease number of Java threads
Decrease Java thread stack sizes (-Xss)
Set larger code cache with -XX:ReservedCodeCacheSize=
This output file may be truncated or incomplete.
Out of Memory Error (os_linux.cpp:2640), pid=2428, tid=0x00007fada5259700
JRE version: (8.0_172-b11) (build )
Java VM: Java HotSpot(TM) 64-Bit Server VM (25.172-b11 mixed mode linux-amd64 compressed oops)
Java運行時環境的內存不足，無法繼續，本機內存分配（mmap）未能映射8589934592字節，用於提交保留內存
解決辦法，找到runserver.sh和runbroker.sh，編輯
#JAVA_OPT="${JAVA_OPT} -server -Xms8g -Xmx8g -Xmn4g" (默認需要內存空間)
JAVA_OPT=”${JAVA_OPT} -server -Xms256m -Xmx256m -Xmn125m -XX:MetaspaceSize=128m -XX:MaxMetaspaceSize=320m”
改成如上就可以了