Summingbird is a platform for streaming map/reduce used at Twitter to build aggregations in real-time or on hadoop. When the programmer describes her job, that job can be run without change on Storm or Hadoop. Additionally, summingbird can manage merging realtime/online computations with offline batches so that small errors in real-time do not accumulate. Put another way, summingbird gives eventua
![Summingbird: Streaming MapReduce at Twitter](https://cdn-ak-scissors.b.st-hatena.com/image/square/509cbe52b275c2b8d4817a81d20abc02b45b1544/height=288;version=1;width=512/https%3A%2F%2Ffiles.speakerdeck.com%2Fpresentations%2F45f05950bcd10130816a561055fec48a%2Fslide_0.jpg%3F1657734)