[jira] [Updated] (OODT-619) Implement the capability to pull status of resource nodes from ganglia

["Rajith Siriwardana (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OODT-619?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rajith Siriwardana updated OODT-619:
------------------------------------

    Attachment: OODT_619_load_calculation_with_ganglia.patch

Completed the implementation of GangliaResourceMonitor to provide load values normalize between 0 and its capacity. initially added only weightedAverageLoad calculation(load_one, load_five, load_fifteen).

decisions: if a particular node is offline/not listed in the nodeMap/any error occurred during getting the load value, then the node capacity will be returned as the load value.
one minute interval for updating the loadMap. 
                
> Implement the capability to pull status of resource nodes from ganglia
> ----------------------------------------------------------------------
>
>                 Key: OODT-619
>                 URL: https://issues.apache.org/jira/browse/OODT-619
>             Project: OODT
>          Issue Type: Sub-task
>          Components: resource manager
>            Reporter: Rajith Siriwardana
>            Assignee: Rajith Siriwardana
>             Fix For: 0.7
>
>         Attachments: diagram1.png, OODT_619_load_calculation_with_ganglia.patch
>
>
> Add classes to connect to Ganglia and pull the XML dump and parsing it. That will happen by connecting a socket to the relevant port of the machine running gmetad and obtain the XML of the last status monitored which consists of aggregated status of all resource nodes of the cluster. This will happen after developing XML parser.

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