Invention Grant
US09477707B2 System and methods for predicting query execution time for concurrent and dynamic database workloads
有权
用于预测并发和动态数据库工作负载的查询执行时间的系统和方法
- Patent Title: System and methods for predicting query execution time for concurrent and dynamic database workloads
- Patent Title (中): 用于预测并发和动态数据库工作负载的查询执行时间的系统和方法
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Application No.: US14073817Application Date: 2013-11-06
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Publication No.: US09477707B2Publication Date: 2016-10-25
- Inventor: Yun Chi , Wentao Wu , Vahit Hakan Hacigumus , Jeffrey F. Naughton
- Applicant: NEC Laboratories America, Inc.
- Applicant Address: JP
- Assignee: NEC Corporation
- Current Assignee: NEC Corporation
- Current Assignee Address: JP
- Agent Joseph Kolodka
- Main IPC: G06F7/00
- IPC: G06F7/00 ; G06F17/30
Abstract:
Systems and methods for predicting query execution time for concurrent and dynamic database workloads include decomposing each query into a sequence of query pipelines based on the query plan from a query optimizer, and predicting an execution time of each pipeline with a progress predictor for a progress chart of query pipelines.
Public/Granted literature
- US20140214880A1 System and methods for Predicting Query Execution Time for Concurrent and Dynamic Database Workloads Public/Granted day:2014-07-31
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