Category : Hadoop

Automate HDP installation using Ambari Blueprints – Part 6

HDP installation using Ambari Blueprints (Part 6)   In previous post we have seen how to Automate HDP installation with Kerberos authentication on multi node cluster using Ambari Blueprints.   In this post, we will see how to deploy multi-node node HDP Cluster with Resource Manager HA via Ambari blueprint.   Below are simple steps

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Automate HDP installation using Ambari Blueprints – Part 5

HDP installation using Ambari Blueprints (Part 5)   How to deploy HDP cluster with Kerberos authentication using Ambari Blueprint?    You are at correct place!  Please follow my below article on HCC to setup single node HDP cluster using Ambari Blueprint with Kerberos Authentication(MIT KDC) https://community.hortonworks.com/articles/78969/automate-hdp-installation-using-ambari-blueprints-4.html     Please refer Next Part for Automated HDP

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Automate HDP installation using Ambari Blueprints – Part 4

HDP installation using Ambari Blueprints (Part 4) How to deploy HDP cluster with Kerberos authentication using Ambari Blueprint?  You are at correct place! Please follow my below article on HCC to setup single node HDP cluster using Ambari Blueprint with Kerberos Authentication(MIT KDC) https://community.hortonworks.com/articles/70189/automate-hdp-installation-using-ambari-blueprints-3.html   Please refer Next Part for Automated HDP installation using Ambari

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Configure node labels on YARN

In this post, we will see how to configure node labels on YARN. I work for Hortonworks so obviously we will configure it for HDP 😉   Before we go for the configuration part, let’s understand what is node label  in YARN.   Node labels allows us to divide our cluster in different parts and

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Automate HDP installation using Ambari Blueprints – Part 3

In previous post we have seen how to install multi node HDP cluster using Ambari Blueprints. In this post we will see how to Automate HDP installation using Ambari Blueprints to configure Namenode HA.   Below are simple steps to install HDP multinode cluster with Namenode HA using internal repository via Ambari Blueprints.   Step 1:

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Oozie workflow failed – hive-site.xml permission denied

Oozie workflow failed – hive-site.xml permission denied – If you have configured Hive action in your Oozie workflow and its getting failed as hive-site.xml permission denied then you are at correct place!  Oozie workflow failed – hive-site.xml permission denied – This error can possibly occur with below mentioned scenarios:   Scenarios: 1. Your Oozie workflow contains

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Unable to access Namenode UI after disabling Kerberos authentication

We get 401 authentication error after disabling Kerberos authentication sometimes, error is shown in below screenshot Screenshot – Unable to access Namenode UI after disabling kerberos unable to access namenode ui after disabling kerberos     This can break Ambari metrics as monitoring data wont be available over HTTP for Namenode/Resource manager or any other hadoop

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How to setup cross realm trust between two MIT KDC

How to setup cross realm trust between two MIT KDC – In this post, we will see how to setup cross realm trust between two MIT KDC. We can access and copy data of one cluster from another if the cross realm trust is setup correctly.   In our example, we have 2 clusters with same HDP version(2.4.2.0)

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How to configure Ambari Hive View for Kerberized cluster

How to configure Ambari Hive View for Kerberized cluster – This tutorial has been successfully tried and tested on HDP-2.4.0.0 and Ambari 2.2.1.0   I have my HDP Cluster Kerberized and Ambari has been configured for SSL.   Note – Steps are same for Ambari with or without SSL.   Please follow below steps for

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How to configure Ambari File View with Namenode HA Kerberized

How to configure Ambari File View with Namenode HA Kerberized cluster – This tutorial has been successfully tried and tested on HDP-2.4.2.0 and Ambari 2.2.2.0   I have my HDP Cluster Kerberized with Namenode HA.   Please follow below steps for Configuring File View on Kerberized HDP Cluster.   Step 1 – Please configure your Ambari

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