如何看暴风雨中的输入和输出 [英] How to see the input and output in storm

问题描述

我已经安装了Apache Storm，还执行了示例字数拓扑.但是没有显示输入或输出.我怎么看?

I have installed Apache Storm and also executed the example word count topology. But there was no input or output shown. How can I see it?

推荐答案

基本理解

• 必须阅读手册，尤其是 概念 部分将帮助您获得基本的了解.
• 您不仅应该安装用于单词计数的示例拓扑，还应该阅读附录教程.

• The manual is a must-read, especially the Concepts section will help you to get a basic understanding.
• You should not only install the example topology for word count, you should also read the appendant tutorial.

输入/输出

• 您的最后一个螺栓应将输出运输到目的地.那可能是数据库，服务...
• 您可以像在其他任何Java应用程序中一样使用日志记录.
• 如果您使用的是 Trident API ，则有一个 Debug 过滤器，您可以对其进行集成进入您的拓扑.

• Your last bolt should transport the output to the destination. That might be a database, service, ...
• You may use logging as in any other Java application.
• If you're using the Trident API, there is a Debug filter, which you can integrate into your topology.

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