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Since traditional process schedulers control the sharing of the processor resources among processes using a fixed scheduling policy based on the utilization of a computer system, not based on contents... or behavior of processes, this can hinder an effective use of a processor or can extend the processing time of a process unnecessarily. We have already proposed a process scheduling policy, which responds to the behavior of multiple processes of a WWW server, in order to improve the response time of a WWW server. This policy gives any process of a WWW server that is predicted to be a WWW server process handling a text data request from a browser priority over all other processes by moving it to the head of the ready queue where processes waiting for the processor to become available are placed. In order to determine which processes are WWW server processes handling text data requests, we introduced the scheduling parameters SLP and RW. In this paper, we explain our method of how we predict and update scheduling parameter RW based on the execution behavior of a WWW server, and we evaluate the effectiveness of our process scheduling policy when the scheduling parameter RW is set according to the proposed method.続きを見る
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