A method and system for quickly retrieving changing data segments from mass data

• Main Authors: LIU KEQIN, ZOU GUANGQIU, LIU WENZHE, LI ZHIJIN, HU WEIDONG, XIANG CHUNBO, BAI QUANSHENG, LIU YOUZHI, LUO WENLI, WANG BO, LI HAOCAI, ZHANG JING
• Format: Patent
• Language: Chinese; English
• Published: 26.03.2019
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention discloses a method and a system for quickly retrieving changing data segments from mass data, which is that the mass data are sorted in order with one piece of data as a unit. Taking thedata in this article as the middle data segment, the first data segment as the front data segment and the second data segment as the back data segment, the three data segments are combined to form anew data segment; As a first position of that data, all new data in which the previou data segment conforms to the first state and the middle data segment conform to the second state are searched for;As a second position of that data, all new data of the data segment in the second state and the subsequent data segment in the third state are match. The present invention enables the original job requiring global search to be distributed to a plurality of nodes for execution, and can quickly retrieve the start and end ranges and data of the data change, and is also suitable for the retrieval ofdata of multiple data items