www.edureka.co/apache-spark-scala-training Big Data Analytics with Spark
www.edureka.co/apache-spark-scala-training Big Data Analytics with Spark
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What will you learn today ?
What is Apache Spark ?
How Spark fits into Hadoop Ecosystem ?
Why Spark for Big Data Analytics ?
Spark’s popularity
Hands-On : Analyzing data with Spark
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Apache Spark
Apache Spark is a general purpose data processing engine with in-memory computing Spark provides API for Scala, Java, Python and R which makes Spark widely adopted for data processing
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How Spark fits into Hadoop Ecosystem ?
Spark is intended to enhance, not replace, the Hadoop stack
Spark is designed to read and write data to HDFS as well as other storage systems such as CSV files, Amazon S3 and NoSQL databases
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Why Spark for Big Data Analytics ?
What makes Spark
suitable for Big Data
Analytics ?
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Why Spark for Big Data Analytics ?
Following features make Spark, the best fit for Big Data Analytics :
Spark simplifies data analysis Spark provides built-in libraries to do advanced analytics Spark speaks more than one language Spark provides faster results Spark allows you to use different Hadoop vendors
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Word Count Problem - MapReduce
MapReduce Code for a Simple Word Count Problem
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Word Count Problem - Spark
Spark Scala Code for Word Count Problem
Spark Python Code for Word Count Problem
Clearly processing data with Spark is much easier than MapReduce and Spark gives you the flexibility to choose your favorite language Scala, Java, Python etc.
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Spark is blazingly Fast
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Spark Libraries
Spark SQL : Spark’s module for working with structured data
MLlib : Spark’s machine learning library
GraphX : Spark’s API for graph computation
Spark Streaming : Spark’s API to process streaming data
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Spark Multiple Language Support
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Spark in one Snapshot
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Spark Use Cases
Different companies are using Spark for solving various problems e.g. recommendation systems, business intelligence, fraud detection etc.
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Who is using Spark?
A complete list of companies using Spark can be found here : https://cwiki.apache.org/confluence/display/SPARK/Powered+By+Spark
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Spark is here to stay
Spark is not one of those "here today, gone tomorrow". Spark is here to stay for the foreseeable future, and it is well worth to get your teeth into it in order to get some value out of your data
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Hands-onAnalyzing data with Spark
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References
IBM backs Apache Spark for Big Data Analytics : http://www.forbes.com/sites/paulmiller/2015/06/15/ibm-backs-apache-spark-for-big-data-analytics/
How eBay uses Spark to ignite Data Analytics : http://www.ebaytechblog.com/2014/05/28/using-spark-to-ignite-data-analytics/
Why Cloudera is saying 'Goodbye, MapReduce' and 'Hello, Spark' :http://fortune.com/2015/09/09/cloudera-spark-mapreduce/
5 reasons to turn to Spark for Big Data Analytics : http://www.infoworld.com/article/2897287/big-data/5-reasons-to-turn-to-spark-for-big-data-analytics.html
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