Multi-core synchronization data query optimization method based on column storage

The invention discloses a multi-core synchronization data query optimization method based on column storage. A map-reduce execution flow is constructed aiming at a query plane, and is composed of a plurality of sub-map-reduce flows; the query operation of a database is finished through the execution...

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Bibliographic Details
Main Authors ZHANG HUIZE, LIU ZHIJING, QU JIANMING, LI YUNAN, YUAN TONG, CAO ZHIGAO, QIANG BO, WANG WEIHUA, ZHAO HONGWEI, YAO YONG, ZHANG LUXUAN, QIU LONGBIN, LIU HUI, WANG ZI, XU ZENG
Format Patent
LanguageChinese
English
Published 25.09.2013
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The invention discloses a multi-core synchronization data query optimization method based on column storage. A map-reduce execution flow is constructed aiming at a query plane, and is composed of a plurality of sub-map-reduce flows; the query operation of a database is finished through the execution of the plurality of sub-map-reduce flows; when the plurality of sub-map-reduce flows are executed, a map-reduce model is responsible for distributing each mapping task to different cores and executing, each core is used for orderly determining input-output key value pair of the mapping function and simplifying function according to the operation in the distributed mapping task so as to finish the execution of the query plan. The feature that the tasks can be executed synchronously on the multi-core processor is well utilized, the return time of the great data query result is shortened, and the data query efficiency is improved.
Bibliography:Application Number: CN20131306838