Druid实时大数据分析原理与实践

版权信息 书名：Druid实时大数据分析原理与实践 作者：欧阳辰等 出版社：电子工业出版社 ISBN：978-7-121-30623-5 定价：79.00 版权所有·侵权必究 Foreword Like many popular open source projects，Druid was initially created to solve a problem.We were trying to build an interactive analytics UI at a small advertising technology startup in San Francisco，and struggled to find a technology that could rapidly aggregate，slice and dice，and drill down into massive data sets.Eric Tschetter started the first lines of Druid to tackle this challenge，and that work has somehow led to an international community forming around the project. I joined Eric on Druid soon after the project started，and for a while，the Druid world consisted of only 2 engineers.The first version of Druid was extremely minimalistic；there was a single process type， the“compute”node，and a handful of queries，but the core that was there was just enough to solve the problems with scale and performance we had at that time. Our Druid cluster in the early years was less than 20nodes，and we worked around the clock to aggressively develop features and fix bugs.There were a lot of late nights in those days.I can still very clearly recall wakin......