Possible reasons for an atomic spark job running for more than an hour.

• Data size may have increased beyond the capacity of the cluster

• Issues with network connectivity or hardware failure

• Inefficient co...read more

Details can be obtained from log. Our primary focus should be going through logs and make system ready for next time

Prepare well for basic Javascript questions(coding)and be clear on all concepts put in resume and everything you have worked on in your project.

Interview have taken 30 minutes. They expect way of expression and correctness of questions. I said answers without fear and clear explanation with examples.