Autore	Turkington Garry
Edizione	[1st edition]
Pubbl/distr/stampa	Birmingham, : Packt Publishing, 2013
Descrizione fisica	1 online resource (398 p.)
Disciplina	005.74
Soggetto topico	Apache Hadoop (Computer file) Database management Electronic data processing -- Distributed processing File organization (Computer science) Hadoop (Computer program)
ISBN	1-5231-3215-9 1-68015-106-1 1-299-26161-2 1-84951-731-2
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Nota di contenuto	Cover; Copyright; Credits; About the Author; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: What It's All About; Big data processing; The value of data; Historically for the few and not the many; Classic data processing systems; Limiting factors; A different approach; All roads lead to scale-out; Share nothing; Expect failure; Smart software, dumb hardware; Move processing, not data; Build applications, not infrastructure; Hadoop; Thanks Google; Thanks Doug; Thanks Yahoo; Parts of Hadoop; Common building blocks; HDFS; MapReduce; Better together Common architectureWhat it is and isn't good for; Cloud computing with Amazon Web Services; Too many clouds; A third way; Different types of cost; AWS - infrastructure on demand from Amazon; Elastic Compute Cloud (EC2); Simple Storage Service (S3); Elastic MapReduce (EMR); What this book covers; A dual approach; Summary; Chapter 2: Getting Hadoop Up and Running; Hadoop on a local Ubuntu host; Other operating systems; Time for action - checking the prerequisites; Setting up Hadoop; A note on versions; Time for action - downloading Hadoop; Time for action - setting up SSH Configuring and running HadoopTime for action - using Hadoop to calculate Pi; Three modes; Time for action - configuring the pseudo-distributed mode; Configuring the base directory and formatting the filesystem; Time for action - changing the base HDFS directory; Time for action - formatting the NameNode; Starting and using Hadoop; Time for action - starting Hadoop; Time for action - using HDFS; Time for action - WordCount, the Hello World of MapReduce; Monitoring Hadoop from the browser; The HDFS web UI; Using Elastic MapReduce; Setting up an account on Amazon Web Services Creating an AWS accountSigning up for the necessary services; Time for action - WordCount on EMR using the management console; Other ways of using EMR; AWS credentials; The EMR command-line tools; The AWS ecosystem; Comparison of local versus EMR Hadoop; Summary; Chapter 3: Understanding MapReduce; Key/value pairs; What does it mean; Why key/value data?; Some real-world examples; MapReduce as a series of key/value transformations; The Hadoop Java API for MapReduce; The 0.20 MapReduce Java API; The Mapper class; The Reducer class; The Driver class; Writing MapReduce programs Time for action - setting up the classpathTime for action - implementing WordCount; Time for action - building a JAR file; Time for action - running WordCount on a local Hadoop cluster; Time for action - running WordCount on EMR; The pre-0.20 Java MapReduce API; Hadoop-provided mapper and reducer implementations; Time for action - WordCount the easy way; Walking through a run of WordCount; Startup; Splitting the input; Task assignment; Task startup; Ongoing JobTracker monitoring; Mapper input; Mapper execution; Mapper output and reduce input; Partitioning; The optional partition function Reducer input
Record Nr.	UNINA-9910823155903321

Pubbl/distr/stampa	New York, NY : , : The Association for Computing Machinery, , [2021]
Descrizione fisica	1 online resource (various pagings) : illustrations
Disciplina	004.5
Soggetto topico	Computer storage devices File organization (Computer science)
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Record Nr.	UNINA-9910510443003321

Edizione	[1st ed.]
Pubbl/distr/stampa	[S.l.], : IBM, International Technical Support Organization, c2003
Descrizione fisica	xiv, 278 p. : ill
Disciplina	004/.35
Altri autori (Persone)	QuinteroDino
Collana	IBM redbooks
Soggetto topico	Parallel computers IBM RISC System/6000 computers File organization (Computer science)
Soggetto genere / forma	Electronic books.
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Record Nr.	UNINA-9910450495503321

Edizione	[2nd ed.]
Pubbl/distr/stampa	[S.l.], : IBM, International Technical Support Organization, 2003
Descrizione fisica	xxx, 518 p. : ill
Disciplina	005.74/1
Altri autori (Persone)	BrooksCharlotte
Collana	IBM redbooks
Soggetto topico	File organization (Computer science) Database security
Soggetto genere / forma	Electronic books.
Formato	Materiale a stampa
Livello bibliografico	Monografia
Lingua di pubblicazione	eng
Record Nr.	UNINA-9910450467603321