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From "Lars George (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-2068) MetricsRate is missing "registry" parameter
Date Tue, 22 Dec 2009 13:48:29 GMT
MetricsRate is missing "registry" parameter

                 Key: HBASE-2068
                 URL: https://issues.apache.org/jira/browse/HBASE-2068
             Project: Hadoop HBase
          Issue Type: Bug
    Affects Versions: 0.20.2
            Reporter: Lars George
            Assignee: Lars George
            Priority: Minor
             Fix For: 0.20.3, 0.21.0

I am trying to get the graphing going using Edward Capriolo's great JMX to Cacti [guide|http://www.jointhegrid.com/hadoop/].
I checked and I am missing the request rate in the JMX MBean:

# sh 0_20/regionserver/RegionServerStatistics.sh service:jmx:rmi:///jndi/rmi://foobar:10102/jmxrmi
controlRole mypass hadoop:name=RegionServerStatistics,service=RegionServer
storefiles:493 blockCacheFree:139771296 storefileIndexSizeMB:102 memstoreSizeMB:0 stores:658
blockCacheCount:8400 regions:83 blockCacheHitRatio:0 blockCacheSize:717478944 atomicIncrementTimeNumOps:0
atomicIncrementTimeAvgTime:0 atomicIncrementTimeMinTime:-1 atomicIncrementTimeMaxTime:0 

I checked the code and the difference between requests and the other attributes is that MetricsRate
does not register itself in the MetricsRegistry used by the dynamic MBean like for example
the MetricsLongValue does.

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