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Date: Fri, 7 Dec 2012 10:51:20 +0000 (UTC)
From: "Tom Beerbower (JIRA)" <jira@apache.org>
To: ambari-dev@incubator.apache.org
Message-ID: <JIRA.12622890.1354877030214.2725.1354877480672@arcas>
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Subject: [jira] [Commented] (AMBARI-1056) Expose CapacityRemaining JMX
 metric to NAMENODE ServiceComponentInfo
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    [ https://issues.apache.org/jira/browse/AMBARI-1056?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13526305#comment-13526305 ] 

Tom Beerbower commented on AMBARI-1056:
---------------------------------------


{code}
http://localhost:8080/api/v1/clusters/c1/services/HDFS/components/NAMENODE?fields=ServiceComponentInfo
{code}

{code}
{
  "href" : "http://localhost:8080/api/v1/clusters/c1/services/HDFS/components/NAMENODE?fields=ServiceComponentInfo",
  "ServiceComponentInfo" : {
    "BlocksTotal" : 73,
    "PercentRemaining" : 90.13458,
    "LiveNodes" : "{\"dev.hortonworks.com\":{\"usedSpace\":448760,\"lastContact\":0}}",
    "CapacityUsed" : 448760,
    "component_name" : "NAMENODE",
    "state" : "STARTED",
    "TotalFiles" : 80,
    "PercentUsed" : 8.4920553E-4,
    "HeapMemoryUsed" : 77588264,
    "NonDfsUsedSpace" : 5212899080,
    "service_name" : "HDFS",
    "HeapMemoryMax" : 1006632960,
    "UpgradeFinalized" : true,
    "MissingBlocks" : 0,
    "cluster_name" : "c1",
    "Safemode" : "",
    "DecomNodes" : "{}",
    "desired_configs" : { },
    "UnderReplicatedBlocks" : 39,
    "CapacityTotal" : 52844687360,
    "StartTime" : 1354641528204,
    "Version" : "1.1.1.1, r",
    "CorruptBlocks" : 0,
    "DeadNodes" : "{}"
  }
}
{code}

                
> Expose CapacityRemaining JMX metric to NAMENODE ServiceComponentInfo 
> ---------------------------------------------------------------------
>
>                 Key: AMBARI-1056
>                 URL: https://issues.apache.org/jira/browse/AMBARI-1056
>             Project: Ambari
>          Issue Type: Sub-task
>            Reporter: Tom Beerbower
>            Assignee: Tom Beerbower
>         Attachments: AMBARI-1056.patch
>
>
> Expose the following from "NameNodeInfo" JMX to ServiceComponentInfo for use in calculating Capacity:
> "NonDfsUsedSpace" : 3193769983,
> "PercentUsed" : 0.6558396,
> "PercentRemaining" : 46.532307,

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