1)進入指定的容器

docker exec -it demo /bin/bash
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2)下載curl

root@89a67e345354:/# apt install curl -y
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3)下載arthas

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

4)運行
root@89a67e345354:/# java -jar arthas-boot.jar
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5)監控

[arthas@1]$ profiler start -e alloc
[arthas@1]$ profiler stop --format html
root@89a67e345354:/# exit
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6)拷貝到宿主機
[root@localhost jianan]# docker cp demo:/app/arthas-output/20250413-070827.html /home
Successfully copied 11.8kB to /home
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7)下載下來到windows進行分析