--Round 1 Questions on Resume --Round 2 1. why hive column should not be added like alter table 2. what are narrow transformations 3. what are stages and what are types of stages? 4. Default how many stages in job 5. deploy the code in production 6. comparision of oozie and jeninks 7. Can you connect spark sql to RDBMS 8. spark and yarn architecture 9.Word count in file using accumulator 10.SQL question using analytical function ---Round 3 1.what is Object 2.what is inheritance 3.what is polymorphisim 4.How to read a binary file, like zip, gzip 5.How to read all files in zipped file 6.How to get filelist from hadoop location in spark 7.How to read a file of different size effecienty files are 1MB, 16MB, etc.. 8.How to create a dataframe of Map type 9.What is broadcast, accumulator 10.What is cache and repartition 11.Difference between cache and broadcast
