HADOOP

Introduction to Hadoop

  • HDFS Architecture
  • MapReduce Flow Chart
  • Combiner in Hadoop
  • Hello world job
  • Partitioner in Hadoop
  • Why we need combiners in Hadoop
  • Sqoop in Hadoop

  • WhyPartitioner in MapRednce (Hadoop)
  • How to load data into hive table in Hadoop
  • Difference between Internal and External Table in Hadoop
  • What is Oozie in Hadoop

  • Hadoop distributed file system commands
  • What is HIVE in Hadoop
  • What is Hbase in Hadoop
  • MapReduce Code
  • Mapper Code
  • What is Pig in Hadoop_
  • Implementing Hello World Job(DriverCode)
  • How to display Tables from RDBMS MySQL from Sqoop (Hadoop)
  • Why we need Sqoop (Hadoop)
  • How to display Database from RDBMS mysql for Sqoop (Hadoop)
  • How to Import Tables from RDBMS MySQL from HDFS (Hadoop)

  • How to export data from HDFS to RDBMS mysql (Hadoop)
  • How to Import Part of the table from RDBMS mysql to HDFS (Hadoop)
  • What are all the file input formats in hadoop (MapReduce)
  • What types of key,value pairs will be generated, if our file format is TextInputFormat_
  • What types of key,value pairs will be generated if our file formate is KeyValueTextInputFormat
  • What are the XML files we are using in Hadoop
  • What is importence of RecordReader in Hadoop
  • Can we set required no of mappers and required no of reduers_ (Hadoop)