1、Flume用户开发指南
http://flume.apache.org/releases/content/1.9.0/FlumeDeveloperGuide.html#
2、Flume 1.9.0用户指南
http://flume.apache.org/releases/content/1.9.0/FlumeUserGuide.html
3、Flume安装及简单使用
https://yuhaidong.blog.csdn.net/article/details/81482722
4、Flume详细配置
https://github.com/apache/flume/blob/trunk/flume-ng-doc/sphinx/FlumeUserGuide.rst
