Beginner's Hadoop

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Predictive Modeling

Classification: What are the advantages of different classification algorithms? What are the advantages of using a decision tree for classification? What are the disadvantages of using a decision...

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Scala 101

In this tutorial, we will go over the Scala programming language. Scala is a powerful high-level programming language that incorporates object-oriented and functional programming. It’s a type-safe language that relies on the JVM...

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JDBC in Spark SQL

Apache Spark has very powerful built-in API for gathering data from a relational database. Effectiveness and efficiency, following the usual Spark approach, is managed in a transparent way....

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Useful commands for hadoop developer

This post combines most frequently used command for spark, emr, yarn and AWS by hadoop developer. Kill Spark  job: This command will kill all the running spark jobs.


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File Operation in scala

File operation is important operation in an application. We might have to provide some configuration information or some input for application in such scenario we have to perform...