A. R. Sulakhe & Company Interview Questions and Answers

Yes, I am adaptable and can cope with the policies of field sales.

• I have experience working in sales environments with specific policies and procedures.

• I am willing to learn and adapt to new policies as needed.

• I understand the importance of following policies to ensure success in sales.

• For example, in my previous job, we had a strict policy on how to approach potential clients, and I followed it to ensure a high succes

To troubleshoot hive slowness, check for resource contention, optimize queries, and monitor system performance.

• Check for resource contention such as CPU, memory, and disk usage

• Optimize queries by reducing data scanned and avoiding unnecessary joins

• Monitor system performance using tools like Ganglia or Ambari

• Consider partitioning tables to improve query performance

• Use compression to reduce disk I/O and network traffic

ZK and JN play a crucial role in ensuring high availability of Namenode in Hadoop cluster.

• ZK (Zookeeper) is used for leader election and maintaining the state of active and standby Namenodes.

• JN (JournalNode) is responsible for storing the edit logs of Namenode, which are used for recovery in case of failover.

• In case of Namenode failure, ZK helps in electing a new active Namenode from the standby Namenodes, while JN pro...read more