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01a: Convert XML file To Sequence File – writing & reading – Local File System

Sequence files are good for saving raw data into HDFS. Sequence files are compressible and splittable. It is also useful … … Read more ›...

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01b: Convert XML file To Sequence File – writing & reading – Hadoop File System (i.e HDFS)

This extends Convert XML file To Sequence File – writing & reading – Local File System. Step 1: Upload “report.xml” … … Read more ›...

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02: Convert XML file To Sequence File with Apache Spark – writing & reading

This extends the Convert XML file To Sequence File With Hadoop libaries, by using Apache Spark. Step 1: The pom.xml … … Read more ›...

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03: Convert XML file To an Avro File – writing & reading

This extends the Convert XML file To Sequence File With Hadoop libaries. Avro files are schema driven & support schema … … Read more ›...

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04: Convert XML file To an Avro File with Apache Spark – writing & reading

This extends Convert XML file To an Avro File – writing & reading. Step 1: The pom.xml file should include … … Read more ›...

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05: Convert XML file To an Avro File with avro-maven-plugin & Apache Spark

This extends 04: Convert XML file To an Avro File with Apache Spark – writing & reading. Instead of using … … Read more ›...

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06: Avro Schema evolution tutorial

Q1. What do you understand by the term “AVRO schema evolution“?
A1. Schema evolution is the term used for how …

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07: Avro IDL (e.g. avdl) to Java objects & Avro Schemas (i.e. avsc) tutorial

Avro IDL (i.e Interface Definition Language) schema can be specified with two type of files “avpr” (i.e. AVro PRotocol file) & … … Read more ›...

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