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《A Provider-side View of Web Search Response Time》.pdf
A Provider-side View of Web Search Response Time
Yingying Chen Ratul Mahajan Baskar Sridharan Zhi-Li Zhang (Univ. of Minnesota)
Microsoft
300+t
Abstract— Using a large Web search service as a case (a)
houly daily
study, we highlight the challenges that modern Web services )
s
m
(
face in understanding and diagnosing the response time ex- T
perienced by users. We show that search response time R
S
(SRT) varies widely over time and also exhibits counter- t
M T W Th F S Su
intuitive behavior. It is actually higher during off-peak hours, 200+t
when the query load is lower, than during peak hours. To re- weekday (b) weekend
) off−peak
solve this paradox and explain SRT variations in general, we s weekday weekday
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