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Hadoop Installation Fully Distributed Mode

Hadoop Installation Fully Distributed Mode. Qianwen Ye. Before We Start. 1. create a few VM instances (Ubuntu is suggested) 2. set proper security group constraints 3. allow passphraseless connection between them. Security Group Snapshot. Inbound. Outbound. What I Have:.

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Hadoop Installation Fully Distributed Mode

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  1. HadoopInstallationFullyDistributedMode QianwenYe

  2. Before We Start • 1. create a few VM instances (Ubuntu is suggested) • 2. set proper security group constraints • 3. allow passphraseless connection between them

  3. Security Group Snapshot Inbound Outbound

  4. What I Have: • 4 Ubuntu VMS in AWS • 172.31.11.234 • 172.31.3.56 • 172.31.12.237 • 172.31.14.124 • Already set up passphraselesssshconnection

  5. Overview • Change /etc/hosts File (not necessary) • Java Installation • Hadoop Environment Configuration

  6. ChangeHosts File • On each VM’s Terminal: • Add following content:

  7. ChangeHosts File • Then we can use the following command to connect to each other:

  8. Install Java on each VM • Install Java

  9. Install Java on each VM • Configure JAVA HOME

  10. Download Hadoop: Master Node Only • Goes to Hadoop Download Page • http://hadoop.apache.org/releases.html • Find the link for downloading (binary)

  11. Download Hadoop: Master Node Only • Download and unzip it

  12. Configure ~/.bash_profile • For all VMs:

  13. Configure Hadoop: Master Node Only • Hadoop’s directory • Files need to be modified • core-site.xml, hdfs-site.xml, mapred-site.xml, yarn-site.xml • hadoop-env.sh • slaves, masters

  14. core-site.xml

  15. hdfs-site.xml

  16. mapred-site.xml.template

  17. yarn-site.xml

  18. hadoop-env.sh

  19. Masters and slaves • Slaves • Master

  20. Send Hadoop to all other nodes

  21. Format Namenode and Start Hadoop

  22. Processes on Master node and Slave node

  23. Example: WordCount

  24. WordCount: Map

  25. WordCount: Reduce

  26. WordCount: Main

  27. Compile WordCount and make jar package

  28. Prepare Input

  29. Execute WordCount Program

  30. Check Result

  31. Thank you!

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