...d examples of aggregates and then you may jump to PODs but I would still recommend reading the first part in its entirety. The notion of aggregates is essential for defining PODs. If you find any errors (even minor, including grammar, stylistics, formatting, syntax, etc.) please leave a comment, I'l...

...why」，而 why 与 Y 谐音。 原文来自：https://blog.openresty.com.cn/cn/dynamic-tracing/ DTrace 动态追踪