Spark Streaming除了可以使用内置的接收器(Receivers,比如Flume、Kafka、Kinesis、files和sockets等)来接收流数据,还可以自定义接收器来从任意的流中接收数据。开发者们可以自己实现org.apache.spark.streaming.receiver.Receiver类来从其他的数据源中接收数据。本文将介绍如何实现自定义接收器,并且在Spark St
cgm图编辑器 I've long lamented the sad state of Diabetes technology. For the last 20 years I've been told that it'll be cured in the next few years. (Spoiler: That hasn't happened.) 我一直为糖尿病技术的悲哀感叹。