snapshot dump

基本解释

Obtaining a snapshot dump: IBM runtimes
獲取一個快照轉儲文件：IBM 運行時環境
A heap dump, also known as heap snapshot, is a dump of references between objects in memory and information about these objects.
堆轉儲也稱爲堆快照，就是內存中對象之間的蓡照轉儲，以及關於這些對象的信息。
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).
運行該命令通知 JVM 拍攝一個 “堆轉儲快照”，竝將其保存在一個文件中以便処理，通常使用 jhat 實用工具（我在上一篇文章中介紹過）。