科技通报
科技通報
과기통보
BULLETIN OF SCIENCE AND TECHNOLOGY
2014年
5期
129-132
,共4页
SaaS%模糊%云平台%优化%调度
SaaS%模糊%雲平檯%優化%調度
SaaS%모호%운평태%우화%조도
SaaS%fuzzy%cloud platform%optimization%scheduling
传统云计算平台调度方案,存在请求缺失率高、资源空闲时间高以及资源利用率降低等问题,提出了一种应用SssS的模糊弹性云优化调度方案,分析SaaS云平台弹性优化调度指标,避免资源的过量和欠量分配,提供了弹性云平台调度任务量和平均响应时间的匹配关系,依据云平台弹性调度指标和模糊调度算法,将SaaS云平台分配任务集按照不同优先级进行划分,优先级等级高的任务优先调度,确保更多的重要任务得到调度,最大化SaaS云平台的执行任务量,最小化平台的平均响应时间,使云平台处于相对稳定的状态。实验结果表明,该调度方案能够优化云平台资源的使用效率和服务响应时间,提高了总执行效率,节省了云资源,具有较高的节能开销比和用户满意度。
傳統雲計算平檯調度方案,存在請求缺失率高、資源空閒時間高以及資源利用率降低等問題,提齣瞭一種應用SssS的模糊彈性雲優化調度方案,分析SaaS雲平檯彈性優化調度指標,避免資源的過量和欠量分配,提供瞭彈性雲平檯調度任務量和平均響應時間的匹配關繫,依據雲平檯彈性調度指標和模糊調度算法,將SaaS雲平檯分配任務集按照不同優先級進行劃分,優先級等級高的任務優先調度,確保更多的重要任務得到調度,最大化SaaS雲平檯的執行任務量,最小化平檯的平均響應時間,使雲平檯處于相對穩定的狀態。實驗結果錶明,該調度方案能夠優化雲平檯資源的使用效率和服務響應時間,提高瞭總執行效率,節省瞭雲資源,具有較高的節能開銷比和用戶滿意度。
전통운계산평태조도방안,존재청구결실솔고、자원공한시간고이급자원이용솔강저등문제,제출료일충응용SssS적모호탄성운우화조도방안,분석SaaS운평태탄성우화조도지표,피면자원적과량화흠량분배,제공료탄성운평태조도임무량화평균향응시간적필배관계,의거운평태탄성조도지표화모호조도산법,장SaaS운평태분배임무집안조불동우선급진행화분,우선급등급고적임무우선조도,학보경다적중요임무득도조도,최대화SaaS운평태적집행임무량,최소화평태적평균향응시간,사운평태처우상대은정적상태。실험결과표명,해조도방안능구우화운평태자원적사용효솔화복무향응시간,제고료총집행효솔,절성료운자원,구유교고적절능개소비화용호만의도。
Traditional cloud computing platform scheduling scheme, high rate of absence request, such problems as high resource utilization and reduce the idle time, this paper proposes a fuzzy elastic cloud application SssS the optimization scheduling solution, analysis of SaaS cloud platform elastic optimization scheduling index, avoid heavy and owe the allocation of the resources provided the elastic cloud platform for scheduling tasks and the average response time, the matching relation between cloud platform based on flexible scheduling index and fuzzy scheduling algorithm, SaaS cloud platform tasks set according to the different priorities, the priority rank high task priority scheduling, make sure that the more important tasks scheduling, maximize SaaS cloud platform mission capacity, minimize the average response time of the platform, make the cloud platform is in a state of relative stability. The experimental results show that the proposed scheduling scheme can optimize the use of cloud platform resource efficiency and service response time, improve the overall execution efficiency, save the cloud resources, has the high energy cost ratio and user satisfaction.