尚硅谷大数据面试都会问些什么?
尚硅谷大数据面试都会问些什么?
推荐回答(2个)
其实不管是哪家公司面试,都是根据你的简历来对你进行提问,所以自己简历上面写的知识点都要全部对答如流。
还有慎用精通这样的字眼,工作五年以上的人,也不敢说自己对哪一方面能够达到精通的地步。
尚硅谷大数据面试的一些基本问题总结如下:
1.讲讲你做的过的项目。 项目里有哪些 难点重点注意点呢?
2.讲讲多线程吧, 要是你,你怎么实现一个线程池呢?
3.讲一下Mapreduce或者hdfs的原理和机制。map读取数据分片。
4.shuffle 是什么? 怎么调优?
5.项目用什么语言写? Scala? Scala的特点? 和Java的区别?
6.理论基础怎么样,比如数据结构,里面的快速排序,或者,树? 讲一讲你了解的树的知识?
7.数学怎么样呢?
8.讲一下数据库,SQl ,左外连接, 原理,实现?
9.还了解过数据的什么知识? 数据库引擎?
10.Hadoop的机架怎么配置的?
11.Hbase的设计有什么心得?
12.Hbase的操作是用的什么API还是什么工具?
13.对调度怎么理解.? 用什么工具吗?
14.用kettle 这种工具还是 自己写程序? 你们公司是怎么做的?
15.你们数据中心开发周期是多长?
16.你们hbase里面是存一些什么数据
会了解你是不是有基础,逻辑能力等,反正不同的人面试也不一样,你只要平常心对待就可以了
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