1)进入指定的容器

docker exec -it demo /bin/bash
 

2)下载curl

root@89a67e345354:/# apt install curl -y
 

3)下载arthas

root@89a67e345354:/# curl -O https://arthas.aliyun.com/arthas-boot.jar

4)运行
root@89a67e345354:/# java -jar arthas-boot.jar
 

5)监控

[arthas@1]$ profiler start -e alloc
[arthas@1]$ profiler stop --format html
root@89a67e345354:/# exit
 

6)拷贝到宿主机
[root@localhost jianan]# docker cp demo:/app/arthas-output/20250413-070827.html /home
Successfully copied 11.8kB to /home
 

7)下载下来到windows进行分析