Real-time analytics has become a very popular topic in recent years. Whether it is in finance (high frequency trading), adtech (real-time bidding), social networks (real-time activity), Internet of things (sensors sending real-time data), server/traffic monitoring, providing real-time reporting can bring tremendous value (e.g., detect potential attacks on network immediately, quickly adjust ad cam
![Implementing a real-time data pipeline with Spark Streaming](https://cdn-ak-scissors.b.st-hatena.com/image/square/e6a30fc08858ffbefb601965befb77b3885c4422/height=288;version=1;width=512/https%3A%2F%2Fchimpler.wordpress.com%2Fwp-content%2Fuploads%2F2014%2F06%2Farchitecture.png%3Fw%3D630)