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The book of data warehouse
可以使用mdbook 渲染markdown成静态页面, 使用github.io搭载提升阅读体验
您好,读了您的文章很受益,是否可以转发。
现也需要建设数据仓库,但对数据仓库的数据库选型还无定论;
前提:之后数据仓库的数据级会达到10亿到百亿的级别,此数据仓库用来支持应用的建模使用,数据及时性,并发量,稳定性要求比较高。
看大部分的数据仓库都是hive来实现,但我现在计算层已搭建了spark计算引擎,想说直接使用sparksql来实现Hive层的sql查询,底层用parquet来存储,计算用spark来计算。这样子我就无需再去引入hive组件增加等等成本。不知是否可以?可以的话有什么弊端吗?
我也看了也可用es来搭建数据仓库,但不知是否有什么弊端;
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