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» Impact of priority assignment on optimistic concurrency cont...
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PODS
1990
ACM
150views Database» more  PODS 1990»
13 years 9 months ago
On Being Optimistic about Real-Time Constraints
- Performancestudiesof concurrencycontrol algorithms for conventional database systems have shown that, under most operating circumstances, locking protocols outperform optimistic ...
Jayant R. Haritsa, Michael J. Carey, Miron Livny
VLDB
1991
ACM
185views Database» more  VLDB 1991»
13 years 8 months ago
Experimental Evaluation of Real-Time Optimistic Concurrency Control Schemes
Due to its potential for a high degree of parallelism, optimistic concurrency control is expected to perform better than two-phase locking when integrated with priority-driven CPU...
Jiandong Huang, John A. Stankovic, Krithi Ramamrit...
RTSS
1994
IEEE
13 years 9 months ago
Timeliness via Speculation for Real-Time Databases
Various concurrency control algorithms di er in the time when con icts are detected, and in the way they are resolved. In that respect, the Pessimistic and Optimistic Concurrency ...
Azer Bestavros, Spyridon Braoudakis
RTDB
2001
114views more  RTDB 2001»
13 years 6 months ago
Mobile Distributed Real-Time Database Systems
Research in the concurrency control of real-time data access over mobile networks is receiving growing attention. With possibly lengthy transmission delay and frequent disconnecti...
Kam-yiu Lam, Tei-Wei Kuo