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SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
15 years 12 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
CIKM
2008
Springer
15 years 1 months ago
Modeling and exploiting query interactions in database systems
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing per...
Mumtaz Ahmad, Ashraf Aboulnaga, Shivnath Babu, Kam...
ICDE
2009
IEEE
140views Database» more  ICDE 2009»
16 years 1 months ago
Predicting Multiple Metrics for Queries: Better Decisions Enabled by Machine Learning
One of the most challenging aspects of managing a very large data warehouse is identifying how queries will behave before they start executing. Yet knowing their performance charac...
Archana Ganapathi, Harumi A. Kuno, Umeshwar Dayal,...
ICPADS
2006
IEEE
15 years 5 months ago
Optimal Placement of Replicas in Data Grid Environments with Locality Assurance
Data replications is a typical strategy for increasing access performance and data availability in Data Grid systems. Current work on data replication in Grid systems focuses on i...
Yi-Fang Lin, Pangfeng Liu, Jan-Jan Wu
MMS
2000
14 years 11 months ago
Dynamic Quota-Based Admission Control with Sub-Rating in Multimedia Servers
An admission control algorithm for a multimedia server is responsible for determining if a new request can be accepted without violating the Quality of Service (QoS) requirements o...
Sheng-Tzong Cheng, Chi-Ming Chen, Ing-Ray Chen