How to connect to oracle database through java?
Hadoop Engineer Interview Questions
329 hadoop engineer interview questions shared by candidates
Hadoop, eco system, spark, pyspark, airflow
Difference between external and internal hive table partitioning and bucketing SQL questions like how to find duplicate records etc spark performance improvement cluster vs client mode in spark
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.
Deploying Kerberos, Ranger etc.
Hadoop Cluster troubleshooting, scenario based and the issues you’ve resolved in the past with detailed RCA (root cause analysis).
Questions on Hadoop, HDFS, Linux, authentications, security, eco-system tools integration, etc
Most questions related to Hadoop Tech Stack.
Why you need to move out. What size of your data dealing. why you took BIG DATA STREAM?
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?
Viewing 141 - 150 interview questions