Distributed data management system and data storage method

The invention discloses a distributed data management system and a data storage method, and the method comprises the steps: carrying out the dynamic sampling of result set data, obtaining the index column data of the result set data, carrying out the sampling processing of the index column data, and...

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Bibliographic Details
Main Authors CHEN YIKANG, LAI WEI, YU ZIXUAN, ZHANG CAN, GUO HAOCHONG, ZHENG BOHONG, WANG BIN
Format Patent
LanguageChinese
English
Published 18.06.2021
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The invention discloses a distributed data management system and a data storage method, and the method comprises the steps: carrying out the dynamic sampling of result set data, obtaining the index column data of the result set data, carrying out the sampling processing of the index column data, and obtaining the cost sample data of the result set data; the data volume estimation unit obtaining a data volume score of the result set data through operation of a data volume estimation model according to the cost sample data in combination with the data volume estimation model; and the data storage processing unit storing the result set data into a storage node according to a comparison result of the data volume score and a preset data volume threshold value and a corresponding relation between the comparison result and a data storage mode according to the data storage mode corresponding to the comparison result, and correspondingly adopting different storage modes based on the difference of the data volume so as
Bibliography:Application Number: CN202110441950