The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2024
Filed:
Jan. 30, 2019
Alibaba Group Holding Limited, Grand Cayman, KY;
Fang Zheng, Sunnyvale, CA (US);
Zhe Chen, Hangzhou, CN;
Ruiping Li, Sunnyvale, CA (US);
Congnan Luo, Sunnyvale, CA (US);
Yu Dong, Sunnyvale, CA (US);
Jie Zhang, Sunnyvale, CA (US);
Li Zhang, Sunnyvale, CA (US);
Ji Jiannan, Hangzhou, CN;
Dongcan Cui, Hangzhou, CN;
Chaoqun Zhan, Hangzhou, CN;
Alibaba Group Holding Limited, Grand Cayman, KY;
Abstract
Methods and computer systems for storing a query plan in a cache are provided. The method can include: determining a use frequency of the query plan; determining a target storage layer for storing the query plan based on the determined use frequency, wherein the cache includes at least two storage layers and each of the storage layers is associated with a compression level of query plans; processing the query plan according to the compression level of the target storage layer; and storing the processed query plan in the target storage layer.