HADOOP TUTORIAL

Hadoop Tutorial

List of big data tutorials using Hadoop MapReduce. Each tutorial explains step by step hadoop mapreduce programs in depth using Java for Big data development. Table of Contents1. Hadoop Installation2….

CONFIGURE STEMMING IN ELASTIC SEARCH

Configure Stemming in Elastic Search

Table of Contents1. Overview 2. Stemmer Token Filter2.1 Example2.2 Test Analyzer4. Prevent Stemming4.1 Keyword Marker Token Filter4.1.1 keywords4.1.2 keywords_path4.1.3 ignore_case4.2 Example4.3 Test Analyzer5. Customize Stemming5.1 Stemmer Override Token Filter5.2 Example5.3 Test6….

Write data to database using Hadoop

Write data to database using Hadoop

Table of Contents1. Overview2. Development environment3. Sample Input4. Solution4.1 Build File : pom.xml4.2 Driver Code : DBDriver.java4.2 Mapper Code : DBMapper.java4.3 Custom Database Writable : DBOutputWritable.java4.4 Reducer : DBReducer.java4.5 Copy…

Write data to database using Hadoop

Access Database using Hadoop MapReduce

Table of Contents1. Overview2. Development environment3. Sample Input4. Solution4.1 Build File : pom.xml4.2 Custom Input Writable: DBInputWritable.java4.3 Mapper Code: DBMapper.java4.4 Driver Code: DBDriver.java5. Build & Run Application6. Output7. Source Code…

JAVA PARSE LARGE JSON FILE GSON EXAMPLE

Java Parse Large Json File GSON Example

Table of Contents1. Overview2. GSON Streaming API2.1 GSON maven dependency2.2 Crate JsonReader3. Sample Input4. Example4.1 JsonStreamingGsonExample4.2 Document4.3 Output5. Conclusion6. References7. Source Code 1. Overview In this article, we will discuss parse/load…