Abstract
In the paper,on the basis of analyzing the structure of dynamic information database,and in combination with the feature of the power system,the key technologies of concurrency data processing,memory-mapped file,disk cache management mechanism and associated data storage were discussed,and the data sampling flow and hybrid compression algorithm were also introduced in detail.The application case in the automatic system of power grid dispatching was introduced and the result proves that the dynamic information database can meet the performance requirement of high-speed data processing.
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