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Abstract: In this paper, we present an original and complete methodology for supervising relational query processing in shared nothing systems. A new control mechanism is introduced which allows the detection and the correction of optimizer estimation errors and load imbalance. We especially focus on the management of intraprocessor communication and on the overlapping of communication and computation. Performance evaluations on an hypercube and a grid interconnection machine show the efficiency and the... (Update)
Context of citations to this paper: More
...state the the kind of control to be performed. They are graphically represented by lozenges. Example: The control operator choose [12] decides dynamically between several alternative execution strategies. Its related annotations specify e.g. the processors in charge of...
...to face important run time problems. Among them, load imbalance [21, 22] and run time adaption of static parallelization strategies [23, 24] are especially crucial. In order to ensure good performances, such situations must be quickly detected and corrected. This requires to...
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BibTeX entry: (Update)
L. Brunie and H. Kosch. Control strategies for complex relational query processing in shared nothing systems. ACM Sigmod Records, 25(3), September 1996. http://citeseer.ist.psu.edu/brunie96control.html More
@article{ brunie96control,
author = "Lionel Brunie and Harald Kosch",
title = "Control Strategies for Complex Relational Query Processing in Shared Nothing Systems",
journal = "SIGMOD Record",
volume = "25",
number = "3",
pages = "34--39",
year = "1996",
url = "citeseer.ist.psu.edu/brunie96control.html" }
Citations (may not include all citations):127 Query optimization in database systems (context) - Jarke, Koch - 1984
67 the Propagation of Errors in the Size of Join Results (context) - Ioannidis, Christodoulakis - 1991
47 Parallel database systems: open problems and new issues (context) - Valduriez - 1993
28 Exploiting Inter-Operation Parallelism in XPRS (context) - Hong - 1992
27 Extensible Query Optimization and Parallel Execution in Volc.. (context) - Graefe, Cole et al. - 1994
24 An effective algorithm for parallelizing hash joins in the p.. (context) - Wolf, Dias et al. - 1991
22 Optimization Algorithms for Exploiting the ParallelismCommun.. - Hasan, Motwani - 1994
21 Managing Intraoperator Parallelism in Parallel Database Syst.. (context) - Mehta, DeWitt - 1995
20 Dynamic Multi Resource Load Balancing in Parallel Database S.. - Rahm, Marek - 1995
16 shared-memory parallel database system (context) - Valduriez, Couprie et al. - 1991
16 Parallelism in relational database management sytems (context) - Mohan, Pirahesh et al. - 1994
11 Industrial-Strength Parallel Query Optimization: Issues and .. - Lanzelotte, Valduriez et al. - 1994
11 Elastic load balancing for image processing algorithms (context) - Miguet, Robert - 1991
10 Load-Balanced Jo (context) - Lu, Tan - 1994
6 Pratical skew handling in parallel joins (context) - Schneider, DeWitt et al. - 1992
4 A relational databank to aid in the dispensing of medicines (context) - Flory, Paultre et al. - 1983
1 A communicationoriented approach to parallel relational quer.. - Brunie, Kosch - 1995
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