Abstract
During the research of cosmic rays in high energy physics, the data produced by real-time observation and simulation experiments is increased all the time. Besides, various physics detector must have description to explain their characteristics. These data become great pressure for the research center. Once LHAASO project officially begins, the data it produced will be approximately several PB. How to store and get data with high rate, along with manage files efficiently, is an important issue.The topic is designing a data management system of LHAASO project. The design will be reference for the engineering of BOOKKEEPING in order to render excellent services for LHAASO project. Its key points are designing friendly and succinct page, using Hadoop platform to distributed store and manage data files, recommending data warehouse principle to associate data source, and uniting Kettle to transform different data files.
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