The shortcomings and drawbacks of batch-oriented data processing were widely recognized by the Big Data community quite a long time ago. It became clear that real-time query processing and in-stream processing is the immediate need in many practical applications. In recent years, this idea got a lot of traction and a whole bunch of solutions like Twitter’s Storm, Yahoo’s S4, Cloudera’s Impala, Apa
![In-Stream Big Data Processing](https://cdn-ak-scissors.b.st-hatena.com/image/square/256dae833767712b9c093331f5b430e300eb7f86/height=288;version=1;width=512/https%3A%2F%2Fhighlyscalable.wordpress.com%2Fwp-content%2Fuploads%2F2013%2F08%2Fcover-2.png)