一,Execution Tree 执行树是数据流组件(转换和适配器)基于同步关系所建立的逻辑分组,每一个分组都是一个执行树的开始和结束,也可以将执行树理解为一个缓冲区的开始和结束,即缓冲区的整个生命周期. 大家知道,异步转换组件会结束输入缓冲区,创建新的输出缓冲区,所以,执行树的分组实际上通过异步转换组件来划分的,一个异步转换组件意味着上游执行树的结束和下游执行树的开始.当数据流经过异步转换组件,进入一个新的执行树,上一个执行树的缓冲区和相同数据就不再需要了,因为数据已经被传递到一个新的执行树和…
转自:https://www.stitchdata.com/blog/pipelinewise-singer/ Stitch is based on Singer, an open source standard for moving data between databases, web APIs, files, queues, and just about anything else. Because it's open source, anyone can use Singer to wr…
转自: http://www.confluent.io/blog/stream-data-platform-1/ These days you hear a lot about "stream processing", "event data", and "real-time", often related to technologies like Kafka, Storm, Samza, or Spark's Streaming module.…
How to build an ML pipeline for Data Science 垃圾信息分类 Ref:Develop a NLP Model in Python & Deploy It with Flask, Step by Step 其中使用naive bayes模型 做分类,此文不做表述. 重点来啦:Turning the Spam Message Classifier into a Web Application 其实就是http request 对接模型的 prediction…
This is a guest blog from Robin Moffatt. Robin Moffatt is Head of R&D (Europe) at Rittman Mead, and an Oracle ACE. His particular interests are analytics, systems architecture, administration, and performance optimization. This blog is also posted on…
https://github.com/onurakpolat/awesome-bigdata A curated list of awesome big data frameworks, resources and other awesomeness. Inspired by awesome-php, awesome-python, awesome-ruby, hadoopecosystemtable & big-data. Your contributions are always welco…
zhuan :https://www.linkedin.com/pulse/100-open-source-big-data-architecture-papers-anil-madan Big Data technology has been extremely disruptive with open source playing a dominant role in shaping its evolution. While on one hand it has been disruptiv…