Sciweavers

326 search results - page 7 / 66
» Parallel Query Processing in Shared Disk Database Systems
Sort
View
VLDB
2007
ACM
144views Database» more  VLDB 2007»
15 years 11 months ago
Cooperative Scans: Dynamic Bandwidth Sharing in a DBMS
This paper analyzes the performance of concurrent (index) scan operations in both record (NSM/PAX) and column (DSM) disk storage models and shows that existing scheduling policies...
Marcin Zukowski, Sándor Héman, Niels...
WDAS
1998
15 years 29 days ago
Data Replication and Delay Balancing in Heterogeneous Disk Systems
Declustering and replication are well known techniques used to improve response time of queries in parallel disk environments. As data replication incurs a penalty for updates, da...
Doron Rotem, Sridhar Seshadri, Luis M. Bernardo
IOPADS
1997
152views more  IOPADS 1997»
15 years 28 days ago
Competitive Parallel Disk Prefetching and Buffer Management
We provide a competitive analysis framework for online prefetching and buffer management algorithms in parallel I/O systems, using a read-once model of block references. This has ...
Rakesh D. Barve, Mahesh Kallahalla, Peter J. Varma...
VLDB
1989
ACM
155views Database» more  VLDB 1989»
15 years 3 months ago
Parallel Processing of Recursive Queries in Distributed Architectures
This paper presents a parallel algorithm for recursive query processing and shows how it can be efficiently implemented in a local computer network. The algorithm relies on an int...
Guy Hulin
DEXAW
1999
IEEE
202views Database» more  DEXAW 1999»
15 years 3 months ago
Optimizing Global Query Processing Plans in Heterogeneous and Distributed Multidatabase Systems
This work addresses a problem of optimal query processing in heterogeneous and distributed multidatabase systems. The objective is to nd a method for opimization of global query p...
Janusz R. Getta, Seyed M. Sedighi