Explain InputFormat?
Define a job tracker?
Explain the wordcount implementation via hadoop framework ?
Which one is default InputFormat in Hadoop ?
What is the best hardware configuration to run Hadoop?
Define a daemon?
What other technologies have you used in hadoop sta ck?
Which is the best hadoop certification?
How to change from su to cloudera?
How to resolve small file problem in hdfs?
Is hadoop obsolete?
What is a heartbeat in HDFS?
What do slaves consist of?