PPT-15-446 Distributed Systems

Spring 2009 L25 Cluster Computing Overview Google File System MapReduce BigTable 2 Google Disk Farm Early days today 3 Google Platform Characteristics Lots of cheap PCs each with disk and CPU. Access to resources of various machines is done explicitly by Remote logging into the appropriate remote machine Transferring data from remote machines to local machines via the File Transfer Protocol FTP mechanism Tightly Coupled Distributed System AN TA YL OR GUCC PO LO RALP LA UREN LA OST MICHAEL KO RS 36 37 KI O 37 37 36 36 36 35 34 34 34 34 33 33 33 32 32 30 30 30 29 29 28 28 27 27 27 26 26 26 262 GH B AS CO BA TH BOD Y WO RK BLDG 13 BLDG 31 REEBOK GAP OUTL ET BLDG 1 21 NE BA LANC HF BLD Spring 2009. L. -10 Consistency. 1. Important Lessons. Lamport. & vector clocks both give a logical timestamps. Total ordering vs. causal ordering. Other issues in coordinating node activities. Exclusive access to . Spring 2009. L-1 Introduction. 1. Today's Lecture. Administrivia. Example topics. 2. 3. Instructors. Instructor. Srini. Seshan. srini@cmu.edu. , Wean Hall . 8113. Office hours: Thursday 1-2pm. Teaching . Spring 2009. L-18 More DFS. 2. Review of Last Lecture. Distributed file systems functionality. Implementation mechanisms . example. Client side: VFS interception in kernel. Communications: RPC. Server side: service daemons. Systems. 15-440 / 15-640. Fall 2015. Welcome! Course Staff . Varun. . Saravgi. Arjun . Puri. Chao Xin. Yuvraj. Agarwal. Srini. . Seshan. Adhish. . Ramkumar. Xiaoxiang. Wu. Aaron Friedlander. Esther Wang. Sig Freund. CSC 8320 Fall . 2008. rfreund1@student.gsu.edu. Transparency in Distributed Operating Systems. Evolution of Modern Operating Systems. Centralized operating system. +network access and resource sharing. Spring 2009. Localization. Announcements. Assignment HW3 due 4/21. No lecture . 4/16 Carnival. Schedule change. 4/21 lecture moved to recitation slot on 4/22 (Wed). Location TBA. Localization. What is localization? . . and Architectures. Summary. . By. . Srujana. Gorge. . Outline. Introduction Of Distributed System. Goals. Transparency. Services. Topics covered. Distributed systems characteristics and issues. Models of component interaction . Client–server computing. Architectural patterns for distributed systems. Software as a service. Distributed systems. District Heating and Cooling. Robert . McMillin. Siemens Industry, Inc.. August 12, 2015. Introduction. Master Planning. New Construction. Best time to choose a direction. 2. Likely higher first cost, but lower future cost. October 11, 2018. A.F. Cooper. Context and Motivation. How can we synchronize an asynchronous distributed system?. How do we make global state consistent? . Snapshots / checkpoints. Example: Buying a ticket on Ticketmaster. Spring 2009. L. -22 Sensor Networks. 2. Overview. Ad . hoc routing. Sensor Networks. Directed Diffusion. Aggregation. TAG. Synopsis . Diffusion. Ad Hoc Routing. Goal: Communication between wireless nodes. kindly visit us at www.nexancourse.com. Prepare your certification exams with real time Certification Questions & Answers verified by experienced professionals! We make your certification journey easier as we provide you learning materials to help you to pass your exams from the first try.