PPT-Scaling Out Key-Value Storage: Dynamo

CS 240 Computing Systems and Concurrency Lecture 8 Marco Canini Web applications are expected to be always on Down time pisses off customers costs System design considerations relevant to availability. 1 CD6 SE Fig 1 CD XT SE Fig 1 CD8 SE Fig 1 CD ransport brPage 3br 325 1015 Reading 325 325 Fig 3 17 59 57 Fig 2 1 1 1 brPage 4br Cyrus CD 6 SE 2 CD 8 SE 2 CD XT SE 2 CD T TRANSPORT User Instructions 1 IMPORTANT Read before operating this equipme he year Design Value s based on the average of a 3 year period which includes the selected year plus the two prior years Also displayed is the following informat on for each year the umber of Complete Quarters for that year the 99 th Percentil samp Presented By: Devarsh Patel. 1. CS5204 . – Operating Systems. CS5204 – Operating Systems. Introduction. Amazon’s e-commerce platform. Requires performance, reliability. . and. efficiency. To support continuous growth, platform needs to be highly scalable. DeCandia,Hastorun,Jampani. , . Kakulapati. , . Lakshman. , . Pilchin. , . Sivasubramanian. , . Vosshall. , . Vogels. : . Dynamo: Amazon's highly available key-value store. . SOSP 2007. UCSB CS271. 1. Bjerknes. Memorial Lecture, AGU, San Francisco, 4 December 2012. Robert Houze. University of Washington. A personal story of three great field campaigns and the evolution of meteorological satellites . Magnetostatics. Outline. Lorentz Force . Law. MEMs Devices. Homopolar. Motor. Speakers. Homopolar. Generator. TRUE or FALSE?. Tangential electric field is always continuous at a surface.. Tangential magnetic field is always continuous at a surface.. Houze. , Jr.. University of Washington. 37. th. Conference on Radar Meteorology. Norman, OK. 15 September . 2015. Polarimetric radar observations of nonprecipitating echo during DYNAMO/AMIE. DYNAMO/. National Consultation on. Community Action for Health. October 28 - 29, 2014. Day One Proceedings . Context setting inaugural. Five thematic sessions:. State experiences of Community Based Planning and Monitoring – Bihar, Maharashtra and Tamil Nadu . COSC7388 – Advanced Distributed Computing. Presented By:. Eshwar Rohit . 0902362. Outline. Introduction. Background. Architectural Design. Implementation. Experiences & Lessons learnt. Conclusions. Entony. Lekhtman. About Amazon. . e-commerce. Amazon is the world’s largest online retailer. The company was originally a book seller but has expanded to sell a wide variety of consumer goods and digital media.. COS 418: . Distributed Systems. Logan Stafman. [Adapted from K. Jamieson, M. Freedman, B. Karp]. Horizontal or vertical scalability?. Vertical Scaling. Horizontal Scaling. 2. Probability of any failure in given period = 1−(1−. Steve Saar (. CfA. /SAO. ). Essential Observations for Stellar Dynamos. Observations of Stellar Magnetic Variability. So, typically use proxies for B….. Ideally would like . high res. vector B! . Scaling up. Assumption so far: . All replicas have entire state. Example: Every replica has value for every key. What we need instead:. Partition state. Map partitions to servers. 2. Partitioning state. Lecture 22. P2P Storage: Dynamo. November . 17. th. , . 2014. John . Kubiatowicz. Electrical Engineering and Computer Sciences. University of California, Berkeley. http://www.eecs.berkeley.edu/~kubitron/cs262.