尽管JVM在崩溃时生成堆转储，但您可以将其与在应用程序启动后获取的堆转储相比较，进一步了解内存是如何使用的。
Even though the JVM generates a heap dump when it crashes, you can learn much more about how memory is being used by comparing it to a heap dump taken just after your application has started.
清单7显示了如何使用db 2 pd实用程序为数据库中的所有表上的索引获取该信息。
Listing 7 shows how to use the db2pd utility to get this information for all indexes on all tables in a database.
下一步将确定我将如何通信—也就是说，在发布请求获取应用程序数据时我将使用什么格式。
My next step is to determine how I'll communicate - that is, what format I'll use when issuing a request to grab the application data.
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