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From "Zhihong Yu (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5325) Expose basic information about the master-status through jmx beans
Date Mon, 06 Feb 2012 03:18:12 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhihong Yu updated HBASE-5325:
------------------------------

    Comment: was deleted

(was: JMX output:

{quote}

{
    "name" : "Hadoop:service=HBase,name=MasterInfo",
    "modelerType" : "org.apache.hadoop.hbase.master.HBaseMasterInfo",
    "ClusterId" : "d24914d7-75d3-4dcc-9e6f-0d7770833993",
    "MasterStartTime" : 1328492020506,
    "MasterActiveTime" : 1328492020508,
    "Coprocessors" : [ ],
    "AverageLoad" : 2.0,
    "RegionsInTransition" : [ ],
    "RegionServers" : [ {
      "maxHeapMB" : 987,
      "numberOfOnlineRegions" : 2,
      "regionServer" : "unknowne4ce8f149fb6:63509",
      "requestsPerSecond" : 13,
      "startCode" : 1328492020493,
      "usedHeapMB" : 29
    } ],
    "ZookeeperQuorum" : "localhost:2181",
    "DeadRegionServers" : [ ]
}

{
    "name" : "Hadoop:service=HBase,name=RegionServerInfo",
    "modelerType" : "org.apache.hadoop.hbase.regionserver.HBaseRegionServerInfo",
    "Coprocessors" : [ ],
    "StartCode" : 1328492020493,
    "HBaseMaster" : "unknowne4ce8f149fb6:60010",
    "ZookeeperQuorum" : "localhost:2181"
}

{quote})
    
> Expose basic information about the master-status through jmx beans 
> -------------------------------------------------------------------
>
>                 Key: HBASE-5325
>                 URL: https://issues.apache.org/jira/browse/HBASE-5325
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Hitesh Shah
>            Priority: Minor
>         Attachments: HBASE-5325.1.patch, HBASE-5325.wip.patch
>
>
> Similar to the Namenode and Jobtracker, it would be good if the hbase master could expose
some information through mbeans.

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