Method and system for locality non-cluster index based on streaming data
A streaming data, locality technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of high index table overhead, decreased reading performance, loss of spatial locality, etc., to increase throughput , the effect of reducing space and reducing stress
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[0048] The technical solutions of the present invention are described in detail below in conjunction with the examples, which are not considered as limitations on the present invention.
[0049] In the research and development of the streaming data storage system, the inventor found that the streaming data has the characteristic of time locality. The so-called temporal locality means that streaming data is correlated within a period of time, that is, when publishing data, multiple pieces of data are proposed sequentially for the same topic, and it is precisely because of the correlation in content that within a period of time For the data appearing in , the specific value of the index key covers a relatively small range, but not all the values involved in the index key, that is, the data base of the items to be indexed is very small.
[0050] However, the establishment and query of existing data indexes do not take advantage of this temporal locality, and the index structure...
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