Barclays – Hadoop Interview Questions
Here is the list of Hadoop Interview Questions which are recently asked in Barclays company. These questions are included for both Freshers and Experienced professionals.
- How will you initiate the installation process if you have to setup a Hadoop Cluster for the first time?
- How will you install a new component or add a service to an existing Hadoop cluster?
- If Hive Metastore service is down, then what will be its impact on the Hadoop cluster?
- How will you decide the cluster size when setting up a Hadoop cluster?
- How can you run Hadoop and real-time processes on the same cluster?
- If you get a connection refused exception - when logging onto a machine of the cluster, what could be the reason? How will you solve this issue?
- How can you identify and troubleshoot a long running job?
- How can you decide the heap memory limit for a NameNode and Hadoop Service?
- If the Hadoop services are running slow in a Hadoop cluster, what would be the root cause for it and how will you identify it?
- How many DataNodes can be run on a single Hadoop cluster?
TOP MNC's HADOOP INTERVIEW QUESTIONS & ANSWERS
Here we listed all Hadoop Interview Questions and Answers which are asked in Top MNCs. Periodically we update this page with recently asked Questions, please do visit our page often and be updated in Hadoop .