Data Warehouse of Water Conservancy survey based on Hive

Source: Internet
Author: User
Keywords Data Warehouse Hive Water Conservancy survey
Tags analysis based big data cluster system data data warehouse design developed

Data Warehouse of Water Conservancy survey based on Hive

Chen Wandingshen Gu Xinzhen

Aiming at the mass and multidimensional characteristics of water Conservancy census data, this paper studies the Hadoop and hive developed rapidly under the concept of "big data", combines the mature technology of traditional data warehouse in multidimensional data analysis, puts forward the method of constructing the data warehouse of Water conservancy census based on hive, describes the architecture of data Warehouse system, According to the design characteristics of hive, the traditional multidimensional analysis model is improved by the method of splitting bucket, reducing dimension table and redundant fact table, and finally the cluster system is used to query and analyze The Water conservancy census data set. The test results show that the data Warehouse can meet the requirements of storage and query of large multidimensional water conservancy census data.


Data Warehouse of Water Conservancy survey based on Hive

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