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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HBASE-1722) Add support for exporting HBase metrics via JMX
Date Thu, 30 Jul 2009 18:17:14 GMT

     [ https://issues.apache.org/jira/browse/HBASE-1722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack resolved HBASE-1722.
--------------------------

       Resolution: Fixed
    Fix Version/s: 0.19.4
     Hadoop Flags: [Reviewed]

Thanks for the nice patch Gary.  Any chance of one for hbase TRUNK with maybe a bit of documentation
on how to set things up so metrics show in something like jconsole?  Only issue was missing
Apache copyright.  In future, just watch line lengths.  Hadoop project is 80 characters generally.

> Add support for exporting HBase metrics via JMX
> -----------------------------------------------
>
>                 Key: HBASE-1722
>                 URL: https://issues.apache.org/jira/browse/HBASE-1722
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: ipc, master, regionserver
>    Affects Versions: 0.19.3
>            Reporter: Gary Helmling
>            Priority: Minor
>             Fix For: 0.19.4
>
>         Attachments: jmx_metrics-0.19.patch
>
>
> Current HBase metrics collection and reporting (for the 0.19 releases at least) doesn't
seem to export any of the metrics as MBeans via JMX.
> This patch adds JMX MBean support for reporting metrics collected in 3 areas:
> * org.apache.hadoop.hbase.ipc.HBaseRpcMetrics
> * org.apache.hadoop.hbase.master.metrics.MasterMetrics
> * org.apache.hadoop.hbase.regionserver.metrics.RegionServerMetrics
> This patch is only against the 0.19 branch, as the metrics API seems to have changed
a bit in Hadoop 0.20, including adding support for dynamic MBeans.  I'll add a patch reworked
for trunk shortly.

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