Is the the value of MutableCounterLong class set to zreo per 10 seconds?
2013/8/6 lei liu <liulei...@gmail.com> > There is "@Metric MutableCounterLong fsyncCount" metrics in > DataNodeMetrics, the MutableCounterLong class continuously increase the > value, so I think the value in ganglia should be "10, 20 ,30, 40" and so > on. but the value the value is fsyncCount.value/10, that is in "1 ,1 , 1 > , 1" in ganglia. > > How does ganglia to display the value of MutableCounterLong class? Is > that "fsyncCount.value" or "fsyncCount.value/10"? > > > > > 2013/8/6 lei liu <liulei...@gmail.com> > >> I use hadoop-2.0.5 and config hadoop-metrics2.properties file with below >> content. >> *.sink.ganglia.class=org.apache.hadoop.metrics2.sink.ganglia.GangliaSink31 >> *.sink.ganglia.period=10 >> *.sink.ganglia.supportsparse=true >> namenode.sink.ganglia.servers=10.232.98.74:8649 >> datanode.sink.ganglia.servers=10.232.98.74:8649 >> >> I write one programme that call FSDataOutputStream.hsync() method once >> per second. >> >> There is "@Metric MutableCounterLong fsyncCount" metrics in >> DataNodeMetrics, the MutableCounterLong class continuously increase the >> value, so I think the value in ganglia should be 10, 20 ,30, 40 and so on. >> but the value in ganglia is below: >> >> >> [image: dw62.kgb.sqa.cm4 dfs.datanode.FsyncCount] >> >> >> I want to know the ganglia how to display the value of MutableCounterLong >> class? >> >> Thanks, >> >> LiuLei >> > >
