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本文介绍在VPC网络下的ECS实例接入可观测监控 Prometheus 版后，如何监控ECS实例中的Java应用。

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如果将同步I/O方式下的数据传输比做数据传输的零星方式（这里的零星是指在数据传输的过程中是以零星的字节方式进行的），那么就可以将非阻塞I/O方式下的数据传输比做数据传输的集装箱方式（在字节和低层数据传输之间，多了一层缓冲区，因此，可以将缓冲区看做是装载字节的集装箱）。大家可以想象，如果我们要运送比较...

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