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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2850) [HOD] Split the operations of allocation from provisioning in HOD.
Date Thu, 13 Mar 2008 06:23:46 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2850?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hemanth Yamijala updated HADOOP-2850:
-------------------------------------

    Fix Version/s:     (was: 0.17.0)

Moving out of the Hadoop 0.17 list, as we are running out of time.

> [HOD] Split the operations of allocation from provisioning in HOD.
> ------------------------------------------------------------------
>
>                 Key: HADOOP-2850
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2850
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/hod
>    Affects Versions: 0.16.0
>            Reporter: Hemanth Yamijala
>            Assignee: Hemanth Yamijala
>
> Currently, the HOD allocation operation does the following distinct steps - allocate
a requested number of nodes, [optionally] transfer a hadoop tarball and install it, then provision
hadoop by bringing up the appropriate daemons. It would be nice to separate these layers so
each of them could be done independently.
> This would lead to a very great flexibility in users using the cluster. For e.g. one
could allocate a certain number of nodes, then have hod bring up one version, then bring it
down, then repeat this again and so on.

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