Logical query optimization for Cloudera Impala system

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• 作者：Jiaoyang Ma^aAuthor Vitae ; Ling Chen^a ; ^{lingchen@cs.zju.edu.cn}Author Vitae ; Mingqi Lv^cAuthor Vitae ; Yi Yang^aAuthor Vitae ; Yuliang Zhao^aAuthor Vitae ; Yong Wu^bAuthor Vitae ; Jingchang Wang^bAuthor Vitae
• 关键词：Logical query ; Bushy tree ; Cost model ; Cloudera Impala system
• 刊名：Journal of Systems and Software
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：125
• 期：Complete
• 页码：35-46
• 全文大小：1327 K
• 卷排序：125

文摘

Propose a query optimization scheme for Impala. Exploit bushy tree logical query plan to accelerate query processing. Propose an algorithm to reduce logical query plan generation time. Propose a bushy tree oriented cost model.