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October 9, 2017 By Vinod Nerella Leave a Comment

Setting up Zookeeper

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This is the first cluster service that we are going to install. It is recommended to install zookeeper server on three nodes minimum. The following are the steps.

  • Click on Add Service and then select service “Zookeeper” under custom services
  • Select hosts on which zookeeper to be installed
  • Select Data and Transaction log directory
    • By default – /var/lib/zookeeper for both, if you want we can change.
  • Install and start zookeeper service

Note:

  • In a production environment, you should deploy ZooKeeper as an ensemble with an odd number of servers.
  • The minimum recommended ensemble size is three ZooKeeper servers on different machines.

Once you setup the cluster, you can select the cluster on the left side of Cloudera Manager console. Click on add service.

 

Select the “Zookeeper” service from the list and click continue.

 

Verify default configuration, Then click continue to install and run zookeeper service. A myid file in its data directory (by default /var/lib/zookeeper) on the nodes that zookeeper service is running.

 

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Basics of Linux for Cluster set up and support
  • Basic Linux Commands
  • Learn ssh
  • File editing with VI or VIM
  • Understanding repository management - yum
  • Adding JBOD
  • Setting up apache or httpd server
Setting up Cloudera Manager
  • Set up a local Cloudera Repositories
  • Setting up external DataBase for Cloudera Manager
  • Setting up prerequisites for all nodes
  • Preparing to run Cloudera Manager with custom data base
  • Setting up CDH using Cloudera Manager
  • Run Cloudera Manager Installer
Installation Cluster Services / CDH Components
  • Setting up Zookeeper
  • Setting up Hadoop Core components - HDFS
  • Setting up YARN (MRv2)
  • Setting up Hive
  • Installation of Cloudera Manager Services
Configuring High Availability (HA)
Implementing Security Using Kerberos
Managing the cluster to support day-to-day operations
Secure - to meet goals defined by security policy
Return to Big Data Cluster administration – Cloudera

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