Hadoop Administrator (Cloudera) Interview Questions-21

Question- 101: What all steps you have to do for using internal remote parcel repository?

Answer:  if you want to have internal remote parcel repository then you need to follow these three things

  • Set up a web server to host internal repository.
  • Download and publish the parcel repository.
  • Configure Cloudera manager to use an internal remote parcel repository

 

Question-102: Can you give an example where you have to manually install Cloudera software packages?

Answer:  installing Cloudera software packages manually like Cloudera manager and cdh, is useful for the environment where it is not possible to use Cloudera manager to install the required packages, such organization where password less Sudo is not permitted. However clouded does not support the cluster which is not deployed or managed by Cloudera manager.

 

Even there are some services which is available only through parcel, cannot be installed using manual packages.

 

Question-103:  Can you create virtual images for the Cloudera cluster host?

Answer:  Yes, you can create virtual machine images, like PXE- boot images, Amazon AMIs, Azure VM image of cluster host with pre-deployed Cloudera software. Once this image has been created, you can use it to quickly spin up virtual machines.  These images use parcels to install CDH software. 

 

Question-104: Which location Cloudera recommend to install JDK?

Answer:  Cloudera strongly recommend installing the JDK at /usr/java/jdk-version, which allows Cloudera manager to auto-detect and use the correct JDK version.  if you install the JDK anywhere else, then you have to configure Cloudera manager with the chosen location. 

 

Question-105:  What all are the general steps followed to setup Cloudera CDH cluster?

Answer:  generally, you would be following the steps below in order to install Cloudera CDH cluster.

  •  Configure the repository for parcels or packages.
  •  Then install the JDK
  •  Install Cloudera manager server
  •  Install required data bases
  •  Set up the Cloudera manager database
  •  Install CDH and other software
  •  Finally, setup a CDH cluster
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Category: Hadoop Administrator