More related to architecture and performance Difference between hive and hbase? Why set hive.execution.engine = tez; works faster than mapreduce job? How can we provide good performance except partioning and bucketing? What all techniques we can provide for good performance ? Which file format is better ORC or parquet ? Map side join and reduce side join?
Explanation about HA and Spark jobs on Hadoop Stack. Some were on AWS.
About Big data concepts in deep .
Questions on Hadoop, HDFS, Linux, authentications, security, eco-system tools integration, etc
Logical questions like 5 people are sitting in a conference room and want take average of their salaries with a lone condition of no one will get to know the salary of the others.
hadoop basics and data engineering concepts
Map & flat map transformation What is shuffling About details in project Spark session
name node & data node port numer cm upradeatin & installion. issue phase. transfer one cluster to onther cluster disctp port number
It covered almost all topics from mapreduce,hive and core java coz i had wrking experience on these technologies only simple qn like map reduce phase,why sorting/suffling, one simple map reduce program with syntax,join querries etc
Explain about your last project
Viewing 141 - 150 interview questions