PPT-Queuing and Caching to Scalability

James Kovacs JamesKovacscom jkovacspostharvardedu Performance Application A 40 Requests per second Application B 20 Requests per second Scalability Is 20 Requests per Second Enough 20 requests per second. Queuing Theory represents the body of knowledge dealing with waiting lines.. Most queuing problems focus on determining the level of service that a company should provide.. Queuing Theory. Queuing Systems Configurations. Justin DeBrabant. Brown University . debrabant@cs.brown.edu. A bit of history…. 1974 – System R. query optimization . recovery . transaction serialization. lots of locks. Application. Primary Storage. Utilizing AppFabric Caching Services On-. Premise. and Beyond to Optimize Performance. About Me. Overview. of . Caching. Server . AppFabric. . Caching. Architecture. Demo. : Server . AppFabric. . on . Multicores. LokeshGidra. , . Gaël. Thomas, . JulienSopena. and Marc Shapiro. INRIA/University of Paris 6. 14/20 most popular languages have GC. but GC doesn’t scale on . multicore. hardware. Morten . Kragelund. Holt. Jens Johansen. Gerth. . Stølting. . Brodal. 1. Aarhus University. Introduction. Trees are used in many branches of science.. Phylogenetic. trees are especially used in biology and bioinformatics.. Telerik Software Academy. http://academy.telerik.com. . ASP.NET MVC. Table of Contents. Why do we need caching?. ASP.NET Output Caching. OutputCache. page directive. Cache profiles. Post-cache substitution. (. Waiting Line Models). Queuing theory.  . is . the mathematical study of waiting lines which are the most frequently encountered problems in everyday life. .. . For example, queue at a cafeteria, library, bank, etc. . Victor Zakhary, . Divyakant. Agrawal, Amr El . Abbadi. 1. The old problem of Caching. Disk. RAM. L. 2. L. 1. Larger. Slower. Cheaper. Smaller. Faster. Expensive. 2. The old problem of Caching. Smaller. A Framework for Evaluating Caching Policies in a Hierarchical Network of Caches Eman Ramadan, Pariya Babaie , Zhi -Li Zhang Presented By: Arvind Narayanan University of Minnesota, USA Ron Jacobs. Sr. Technical Evangelist, Microsoft. http://blogs.msdn.com/rjacobs. Agenda. . Simple. Do the simplest thing that will possibly work. . Scalability. Able . to support the required quality of service as the system load . Morten . Kragelund. Holt. Jens Johansen. Gerth. . Stølting. . Brodal. 1. Aarhus University. Introduction. Trees are used in many branches of science.. Phylogenetic. trees are especially used in biology and bioinformatics.. S.H. . Yeganeh. , A. . Tootoonchian. , Y. . Ganjali. University of . Tronto. IEEE Communication Magazine. 1. Motivations. There have always been concerns about performance and scalability about SDN. Argue that there is no inherent bottleneck to SDN... Huawei. Liyan. Gong, . Fengwei . Qin . @China Mobile. Guangming. Yang @China Telecom. James Guichard @. Futurewei. Gyan Mishra . @Verizon. Tarek Saad @Cisco. Vishnu Beeram @Juniper. Scalability Considerations for . Performance of Computer System. Various factors. Depends on. Scalability: . Computer Performance . Number of processors used. Measuring performance of parallel computer architecture for large-scale applications require very good understanding of...