Running this command tells the JVM to take a "heap dump snapshot" and save it to a file for processing, usually using the jhat utility (which I introduced in a previous article).

运行该命令通知JVM拍摄一个“堆转储快照”，并将其保存在一个文件中以便处理，通常使用jhat实用工具(我在上一篇文章中介绍过)。

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A heap dump, also known as heap snapshot, is a dump of references between objects in memory and information about these objects.

堆转储也称为堆快照，就是内存中对象之间的参照转储，以及关于这些对象的信息。

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A thread dump is a text file that contains a relatively short snapshot of the key aspects of the state of that JVM.

线程转储是一个文本文件，其中包含J VM状态的关键方面的一个相对较短的快照。

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