Evaluating content management techniques for Web proxy caches
ACM SIGMETRICS Performance Evaluation Review
ACM Transactions on Information Systems (TOIS)
InfoScale '06 Proceedings of the 1st international conference on Scalable information systems
Cost-aware WWW proxy caching algorithms
USITS'97 Proceedings of the USENIX Symposium on Internet Technologies and Systems on USENIX Symposium on Internet Technologies and Systems
The impact of caching on search engines
SIGIR '07 Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval
Improved techniques for result caching in web search engines
Proceedings of the 18th international conference on World wide web
Cutting the electric bill for internet-scale systems
Proceedings of the ACM SIGCOMM 2009 conference on Data communication
The Datacenter as a Computer: An Introduction to the Design of Warehouse-Scale Machines
The Datacenter as a Computer: An Introduction to the Design of Warehouse-Scale Machines
New caching techniques for web search engines
Proceedings of the 19th ACM International Symposium on High Performance Distributed Computing
Cost-Aware Strategies for Query Result Caching in Web Search Engines
ACM Transactions on the Web (TWEB)
Second chance: a hybrid approach for dynamic result caching in search engines
ECIR'11 Proceedings of the 33rd European conference on Advances in information retrieval
Energy-price-driven query processing in multi-center web search engines
Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval
On caching search engine query results
Computer Communications
Second Chance: A Hybrid Approach for Dynamic Result Caching and Prefetching in Search Engines
ACM Transactions on the Web (TWEB)
A self-adapting latency/power tradeoff model for replicated search engines
Proceedings of the 7th ACM international conference on Web search and data mining
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Web search engines cache results of frequent and/or recent queries. Result caching strategies can be evaluated using different metrics, hit rate being the most well-known. Recent works take the processing overhead of queries into account when evaluating the performance of result caching strategies and propose cost-aware caching strategies. In this paper, we propose a financial cost metric that goes one step beyond and takes also the hourly electricity prices into account when computing the cost. We evaluate the most well-known static, dynamic, and hybrid result caching strategies under this new metric. Moreover, we propose a financial-cost-aware version of the well-known LRU strategy and show that it outperforms the original LRU strategy in terms of the financial cost metric.