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This exercise aims to get you to: • Compile, run, and debug MapReduce tasks via Hadoop Streaming • Compile, run, and debug MapReduce tasks via MRJob • Apply the design pattern “in-mapper combining” you have learned in Chapter 2.2 to MapReduce programming One Tip on Hadoop File System Shell Following are the three commands which […]
代写代考 COMP9313/21T3/resources/66890, and put it to HDFS: Read More »
This exercise aims to get you to practice: • Create a Cloud Storage bucket in Dataproc • Create a cluster in Dataproc • Run Spark jobs in Dataproc Background Google Cloud: Google Cloud consists of a set of physical assets, such as computers and hard disk drives, and virtual resources, such as virtual machines (VMs),
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COMP9313: Big Data Management Course web site: http://www.cse.unsw.edu.au/~cs9313/ Chapter 8.2: Hive Introduction to Hive What is Hive? ❖ A data warehouse system for Hadoop that ➢ facilitates easy data summarization ➢ supports ad-hoc queries (still batch though…) ➢ created by Facebook ❖ A mechanism to project structure onto this data and query the data using
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COMP9313: Big Data Management Course web site: http://www.cse.unsw.edu.au/~cs9313/ Chapter 6.1: Mining Data Streams Data Streams ❖ In many data mining situations, we do not know the entire data set in advance ❖ Stream Management is important when the input rate is controlled externally: ➢ Google queries ➢ Twitter or Facebook status updates ❖ We can
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COMP9313: Big Data Management Course web site: http://www.cse.unsw.edu.au/~cs9313/ : NoSQL and HBase Part 1: Introduction to NoSQL What does RDBMS provide? ❖ Relational model with schemas ❖ Powerful, flexible query language (SQL) ❖ Transactional semantics: ACID ❖ Rich ecosystem, lots of tool support (MySQL, PostgreSQL, etc.) What is NoSQL? ❖ The name stands for Not
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COMP9313: Big Data Management Course web site: http://www.cse.unsw.edu.au/~cs9313/ Chapter 4.2: I Download and Configure Spark ❖ Current version: 3.1.2. https://spark.apache.org/downloads.html ➢ You also need to install Java first ❖ After downloading the package, unpack it and then configure the path variable in file ~/.bashrc export SPARK_HOME=/home/comp9313/workdir/spark export PATH=$SPARK_HOME/bin:$PATH ❖ Spark comes with four widely used
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COMP9313: Big Data Management Course web site: http://www.cse.unsw.edu.au/~cs9313/ Part 1: X ❖ GraphX is Apache Spark’s API for graphs and graph-parallel computation. ❖ At a high level, GraphX extends the DD by introducing a new Graph abstraction: a directed multigraph with properties attached to each vertex and edge ❖ To support graph computation, GraphX exposes
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Setup the Virtual Machine 1. Download VirtualBox and install (depending on your operating system, Mac/Linux/Windows) 2. Download the VM image from Google drive 3. Open VirtualBox, click File->import Appliance, and then select the image you downloaded. Click next, and then confirm to import the image. 4. Wait for a few minutes, and you will see
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COMP9313: Big Data Management Course web site: http://www.cse.unsw.edu.au/~cs9313/ Mining Data Streams II : Filtering Data Streams Filtering Data Streams ❖ Each element of data stream is a tuple ❖ Given a list of keys S ❖ Determine which tuples of stream are in S ❖ Obvious solution: Hash table ➢ But suppose we do not
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This exercise aims to get you to practice X Programming. Background The transformation and action functions examples are available at: http://homepage.cs.latrobe.edu.au/zhe/ZhenHeSparkRDDAPIExamples.html The GraphX programming guide is at: https://spark.apache.org/docs/latest/graphx-programming-guide.html A tutorial of Scala 2 is available at: http://docs.scala-lang.org/tutorials/?_ga=1.99469143.850382266.1473265612 X programming Question 1. Create a graph from a file in GraphX (do this in spark shell). Download
代写代考 COMP9313/21T3/resources/68841. There are many ways of loading a graph from Read More »