A hbase column aggregation method
An aggregation method and aggregation column technology, applied in the field of computer information storage, can solve problems such as slow aggregation query performance, increase data redundancy, affect query performance, etc., to reduce IO requests and data comparison or calculation, and reduce data redundancy. , Improve the effect of storage performance
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[0065] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0066] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
[0067] The present invention expands the existing HBase server query mechanism, and the HRegionServer architecture is as follows image 3 As shown, the aggregation scanner is added, image 3 The aggregation scanner (store) in the table expands the description information of the table and adds column aggregation properties image 3 The description information of the table in; when querying, the multi-version...
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