J'ai postulé via un recruteur. J'ai passé un entretien chez HCLTech
Entretien
So many call from different consultancy. Didn't receive the link for interview. Suddenly get call for interview. I would suggest to move the interview process from telephonic to video interview .
It took a week approx. I was asked basic questions of Hadoop ecosystem, spark , scala and basic knowledge of python.There were questions of Sqoop, Flume , kafka and ML concepts
Questions d'entretien [1]
Question 1
Why do we use parquet file format ?
Why dataframes are faster than RDD