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From "Gary Helmling (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1722) Add support for exporting HBase metrics via JMX
Date Thu, 30 Jul 2009 00:39:14 GMT
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


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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