转自:http://blog.csdn.net/colorant/article/details/8255958 ==是什么 == 目标Scope(解决什么问题) 在大规模的特定数据集上的迭代运算或重复查询检索 官方定义 aMapReduce-like cluster computing framework designed for low-latency iterativejobs and interactive use from an interpreter 个人理解 首先,MapReduc…
转自:http://blog.csdn.net/colorant/article/details/8256039 更多云计算相关项目快速理解文档 http://blog.csdn.net/colorant/article/details/8255910 == 是什么 == 目标Scope(解决什么问题) 分布式实时大规模数据流的处理 官方定义 Stormis a distributed realtime computation system,Storm exposes a set of pri…
尊重版权,原文:http://blog.csdn.net/macyang/article/details/7100523 - Spark是什么? Spark is a MapReduce-like cluster computing framework designed to support low-latency iterative jobs and interactive use from an interpreter. It is written in Scala, a high-le…
Spark内部有若干术语(Executor.Job.Stage.Task.Driver.DAG等),需要理解并搞清其内部关系,因为这是性能调优的基石. 节点类型有: 1. Master 节点: 常驻master进程,负责管理全部worker节点. 2. Worker 节点: 常驻worker进程,负责管理executor 并与master节点通信. Dirvier:官方解释为: The process running the main() function of the applicatio…
