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  • Committer: amir sanjar
  • Date: 2014-12-03 21:43:22 UTC
  • Revision ID: amir.sanjar@canonical.com-20141203214322-bi3miv3afb6n97co
Apache hadoop changes for POWER-part 1

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README.md
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In this configuration, the YARN ResourceManager is deployed on the same
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service units as HDFS namenode and the HDFS datanodes also run YARN NodeManager::
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    juju deploy local:trusty/hadoop yarn-hdfs-master
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    juju deploy local:trusty/hadoop compute-nodes
 
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    juju deploy hadoop yarn-hdfs-master
 
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    juju deploy hadoop compute-nodes
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    juju add-relation yarn-hdfs-master:namenode compute-nodes:datanode
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    juju add-relation yarn-hdfs-master:resourcemanager compute-nodes:nodemanager
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    juju add-unit -n 3 compute-nodes
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In this configuration the HDFS and YARN deployments operate on
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different service units as separate services::
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    juju deploy local:trusty/hadoop HDFS-NameNode
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    juju deploy local:trusty/hadoop compute-nodes
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    juju deploy local:trusty/hadoop YARN-ResourceManager
 
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    juju deploy hadoop hdfs-name-node
 
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    juju deploy hadoop compute-nodes
 
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    juju deploy hadoop yarn-resource-manager
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    juju add-unit -n 3 compute-nodes
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    juju add-relation HDFS-NameNode:namenode compute-nodes:datanode
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    juju add-relation YARN-ResourceManager:mapred-namenode HDFS-NameNode:namenode
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    juju add-relation compute-nodes:mapred-namenode HDFS-NameNode:namenode    
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    juju add-relation YARN-ResourceManager:resourcemanager compute-nodes:nodemanager
 
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    juju add-relation hdfs-name-node:namenode compute-nodes:datanode
 
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    juju add-relation yarn-resource-manager:mapred-namenode hdfs-name-node:namenode
 
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    juju add-relation compute-nodes:mapred-namenode hdfs-name-node:namenode    
 
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    juju add-relation yarn-resource-manager:resourcemanager compute-nodes:nodemanager
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In the long term juju should support improved placement of services to
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better support this type of deployment.  This would allow mapreduce services