Improving web availability for clients with MONET
NSDI'05 Proceedings of the 2nd conference on Symposium on Networked Systems Design & Implementation - Volume 2
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We proposed a multi-phase multi-query optimization approach (MMO) for the parallel database. MMO considers multiple objectives. It overcomes the limitations in the two-phase and one-phase approaches, and can be easily integrated into the traditional optimizer. We discussed the strategies and algorithms for searching CO, rewriting queries, cost-based optimization and parallelization in MMO. Theoretic analysis proves that the efficiency of the MMO optimizer is high and the strategies searching for CO has little influence to the performance.