What is crontab? Explain with suitable example?
What is the difference between Hadoop and Traditional RDBMS?
What is Partioner in hadoop? Where does it run
Does Hadoop requires RAID?
What is the purpose of DataNode block scanner?
What is a checkpoint?
Did you ever ran into a lop sided job that resulted in out of memory error
What is the communication channel between client and namenode/datanode?
What are the different operational commands in HBase at record level and table level?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
What is the Job interface in MapReduce framework?
What is the problem with HDFS and streaming data like logs
What is the Use of SSH in Hadoop ?
What infrastructure do we need to process 100 TB data using Hadoop?
What is the difference between a Hadoop and Relational Database and Nosql?