Apache Ambari is an open-source platform for provisioning and managing Hadoop clusters that support and complement Hadoop. This blog will go through 25 of the most commonly requested Apache Ambari Interview Questions to help you feel more confident. Both beginners and experienced pros will benefit from these questions.
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The three layers that are supported by Ambari are below:
The Apache Ambari is nothing but a project which is solely focused to make life simple while using the Hadoop management system. This software helps or provides a comfort zone in terms of the following aspect:
With the help of Ambari, system administrators will be able to do the following easily, they are:
The Apache Ambari is compatible with the 64-bit version and the following are the operating systems that go well with Ambari implementation:
The latest version of Ambari that is available in the market is Ambari 2.5.2. Within, this version they have added a feature called: Cross stack upgrade support.
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A repository is nothing but space where it hosts the software packages which can be used for download and plus install.
The Yum is nothing but a package manager which actually fetches the software packages from the repository.
On RHEL/CentOS, typically “yum”,
ON SLES, typically “Zipper”.
Ans: A local repository is nothing but a hosted space in the local environment. Usually, when the machines don't have an active internet connection or have restricted or very limited network access a local repository should be set up. With this setup, the user will be able to obtain Ambari and HDP software packages.
Related Article: Apache NiFi Tutorial |
The types of Ambari Repositories are listed below:
There are two ways to deploy the local repositories. It actually depends on your active Internet connection and based on that we can execute it.
This process is only used when there is no active internet connection is not available. So to set up a local repository, please follow the below steps:
The following tools are needed to build Ambari:
The independent extensions that are contributed to the Ambari Codebase are as follows:
Yes, the Ambari Python client can be used to make good use of Ambari API’s.
The following code will do help you to create an Ambari client:
from ambari_client.ambari_api import AmbariClient
headers_dict={'X-Requested-By':'mycompany'} #Ambari needs X-Requested-By header
client = AmbariClient("localhost", 8080, "admin", "admin", version=1,http_header=headers_dict)
print client.version
print client.host_url
print"n"
all_clusters = client.get_all_clusters()
print all_clusters.to_json_dict()
print all_clusters
all_hosts = client.get_all_hosts()
print all_hosts
print all_hosts.to_json_dict()
print"n"
The Ambari shell can provide an interactive and handy command-line tool that actually supports the following:
The Apache Ambari is a great gift for individuals who use Hadoop in their day-to-day work lives. With the use of Ambari, Hadoop users will get the core benefits:
The Ambari has a defined life cycle commands and they are as follows:
It is very flexible in terms of adding or removing or reconfiguring any of the services at any time.
Ambari Monitoring tools actually use two different open source projects for their monitoring purpo2ses, they are as follows:
It is one of the tools that is used in Ambari, it is mainly used for the following purpose:
It is one of the tools that is used in Ambari, it is mainly used for the following purpose:
The other components of Ambari that are imported for Automation and Integration are actually divided into three pieces of information:
Actually, Ambari is built from scratch to make sure that it deals with Automation and Integration problems carefully.
The shell is developed in Java and it actually based on the Ambari REST client and the spring shell framework.
The following is the list of items that need to be checked before actually deploying the Hadoop instance:
The following are the commands that are used to do the following activities:
To start the Ambari server
ambari-server start
To check the Ambari server processes
ps -ef | grep Ambari
To stop the Ambari server
ambari-server stop
Name | Dates | |
---|---|---|
Apache Ambari Training | Oct 12 to Oct 27 | View Details |
Apache Ambari Training | Oct 15 to Oct 30 | View Details |
Apache Ambari Training | Oct 19 to Nov 03 | View Details |
Apache Ambari Training | Oct 22 to Nov 06 | View Details |
Ravindra Savaram is a Technical Lead at Mindmajix.com. His passion lies in writing articles on the most popular IT platforms including Machine learning, DevOps, Data Science, Artificial Intelligence, RPA, Deep Learning, and so on. You can stay up to date on all these technologies by following him on LinkedIn and Twitter.