Table of Contents1. Overview2. Development Environment3. Steps to Index Large JSON File4. Example4.1 Sample Input4.2 IndexLargeJsonFileExample4.3 Document4.3 Output5. Conclusion6. References7. Source Code 1. Overview Elastic Search support bulk index, delete,…
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…
Table of Contents1. Overview2. Jackson Streaming API2.1 Jackson maven dependency2.2 Crate JSON Parser3. Sample Input4. Example4.1 JsonStreamingJacksonExample4.2 Document4.3 Output5. Conclusion6. References7. Source Code 1. Overview In this article, we will…
Table of Contents1. Overview2. Development Environment3. Hadoop Compression Format4. Steps to Create MultipleOutputs with Multiple Compress Format4.1 Create Custom Output Writer4.2 Create Custom Record Writer4.3 Set CustomOutput Writer as namedoutput5….
Table of Contents1. Overview2. Development Environment3. Initialize Configuration4. Create Directory in HDFS4.1 Example4.2 Output5. Write File to HDFS6. Append Data to File7. Read File From HDFS7.1 Example7.2 Output8. Conclusion9. References10. Source Code…
Table of Contents1. Overview2. Development Environment3. Steps for creating custom Output Format3.1 extends OutputFormat class3.2 implements getRecordWriter method3.3 Create Custom RecordWriter class4. Example4.1 Problem Statement & Solution4.2 pom.xml4.3 WordCountOutputFormat4.4 WordCountLineRecordWriter4.5…
Table of Contents1. Overview2. Development Environment3. Steps for creating custom Key writable data types3.1 Implement WritableComparable Interface3.2 write method3.3 readFields method3.4 Add Default Constructor3.5 equals and hashCode3.6 compareTo4. Sample Input File5. Example5.1…
Table of Contents1. Overview2. Development Environment3. Steps for creating custom value writable data types3.1 Implement Writable Interface3.2 write method3.3 readFields method3.4 Add Default Constructor4. Sample Input File5. Example5.1 pom.xml5.2 FamilyWritable5.3 FamilyMapper5.4 FamilyReducer5.5…
Table of Contents1. Overview2. Development Environment3. Steps To Debug Code locally3.1 Add hadoop-mapreduce-client-jobclient maven dependency3.2 Set local file system3.2 Set Number of mappers and reducers4. Example4.1 pom.xml4.2 MultipleOutpusDebugDriver.java4.3 MultipleOutpusMapper.java5. Build & Debug6….
Table of Contents1. Overview2. Development Environment3. MultipleOutputs4. Sample Input 5. Example5.1 pom.xml5.2 MultipleOutputsDriver5.3 MultipleOutputsMapper6. Steps To Run6.1 Build & Prepare Jar6.2 Copy Data to HDFS6.3 Run7. Output8. References9. Source Code 1. Overview…
