COMP9313: Big Data Management Course web site: http://www.cse.unsw.edu.au/~cs9313/ Chapter 1.2 Introduction to HDFS, YARN, and MapReduce Part 1: HDFS File System ❖ A filesystem is the methods and data structures that an operating system uses to keep track of files on a disk or partition; that is, the way the files are organized on the […]
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COMP9313: Big Data Management Course web site: http://www.cse.unsw.edu.au/~cs9313/ Chapter 2.1: MapReduce MapReduce Example ❖ Hadoop MapReduce is an implementation of MapReduce ➢ MapReduce is a computing paradigm (Google) ➢ Hadoop MapReduce is an open-source software Data Structures in MapReduce ❖ Key-value pairs are the basic data structure in MapReduce ➢ Keys and values can be:
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DS/CMPSC 410 Programming Models for Big Data Fall 2021 Final Exam Study Guide December 6, 2021 The weight of each topic is an estimate. The actual weight of exam questions can vary slightly. A question in the exam can also related to more than one topic areas. 1. Big Data Opportunities, MapReduce, Hadoop, Spark (5-10%)
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import java.io.IOException; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path; import org.apache.hadoop.io.IntWritable; Copyright By PowCoder代写 加微信 powcoder import org.apache.hadoop.io.Text; import org.apache.hadoop.mapreduce.Job; import org.apache.hadoop.mapreduce.Mapper; import org.apache.hadoop.mapreduce.Reducer; import org.apache.hadoop.mapreduce.lib.input.FileInputFormat; import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat; public class WordCount { public static void main(String[] args) throws Exception { Configuration conf = new Configuration(); Job job = Job.getInstance(conf, “word count”); job.setJarByClass(WordCount.class); job.setMapperClass(WordCountMapper.class); job.setCombinerClass(WordCountReducer.class); job.setReducerClass(WordCountReducer.class); job.setOutputKeyClass(Text.class); job.setOutputValueClass(IntWritable.class); FileInputFormat.addInputPath(job,
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Cloud and Big Data IBM Research Course Objective Copyright By PowCoder代写 加微信 powcoder § Graduate level course on Cloud Computing – Focus is on learning how to design, build, deploy and manage extremely large scale systems and applications leveraging Cloud – Building blocks and design patterns in designing backend of typical Internet Scale application –
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Introduction to Big Data with Apache Spark UC BERKELEY This Lecture Copyright By PowCoder代写 加微信 powcoder Programming Distributed Datasets (RDDs) Creating an RDD Spark Transformations and Actions Model Python Spark (pySpark) We are using the Python programming interface to Spark (pySpark) pySpark provides an easy-to-use programming abstraction and parallel runtime: » “Here’s an operation, run
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Big Graph Analysis COMP9312_22T2 – Distributed Graph Algorithms Copyright By PowCoder代写 加微信 powcoder – Graph Database – Other Graph Problems Distributed Graph Algorithms Distributed Processing is Non-Trivial How to assign tasks to different workers in an efficient way? What happens if tasks fail? How do workers exchange results? How to synchronize distributed tasks allocated to
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Cloud Computing INFS3208/INFS7208 Re-cap – Lecture 7 • Database Background • Relational Data Bases – Revisit Relational DBs – ACID Properties * – Clustered RDBMs • Non-relational Data Bases – NoSQL concepts – CAP Theorem *** – MongoDB – Cassandra – HBase CRICOS code 00025B 2 Outline • Background of Distributed File Systems – Big
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Cloud Computing INFS3208 Recap • Cloud Delivery Models • Cloud Deploy Models • Cloud-EnablingTechnologies – Broadband Networks and Internet Architecture – Virtualisation Technology (VT) – Data Centre Technology – Web Technology – Multitenant Technology • Goals and Benefits • Risks and Challenges • Cloud-based Applications in the World CRICOS code 00025B 2 18/08/2021 2 Outline
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Cloud Computing INFS3208 Updates • A3 Spec Updated • Individual Project – Presentation (~10 min) + Q&A (3-5 min) • GCP Coupon Survey • Check your balance • Fill in out the survey (see Announcement) if you need one CRICOS code 00025B 2 Cloud Computing INFS3208 Picture: https://www.mygreatlearning.com/blog/apache-spark/ CRICOS code 00025B 3 Cloud Computing INFS3208
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