 `Arthas` is a Java diagnostic tool open-sourced by Alibaba middleware team. Arthas helps developers in trouble-shooting issues in production environment for Java based applications without modifying code or restarting servers. `Arthas` supports JDK 6+, supports Linux/Mac/Windows. * Github: https://github.com/alibaba/arthas * Documentation: https://alibaba.github.io/arthas/en