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    Ganglia监控Hadoop相关配置及监控指标说明

    修改配置文件:$HADOOP_HOME/etc/hadoop/hadoop-metrics.properties 添加如下内容: *.sink.ganglia.class=org.apache.hadoop.metrics2.sink.ganglia.GangliaSink31 *.sink.ganglia.period=10 # default for supportsparse is false *.sink.ganglia.supportsparse=true *.sink.ganglia.slope=jvm.metrics.gcCount=zero,jvm.metrics.memHeapUsedM=both *.sink.ganglia.dmax=jvm.metrics.threadsBlocked=70,jvm.metrics.memHeapUsedM=40 #192.168.0.100组播地址 8801是接受和发送数据端口 namenode.sink.ganglia.servers=239.2.11.71:8801 datanode.sink.ganglia.servers=239.2.11.71:8801 jobtracker.sink.ganglia.servers=239.2.11.71:8801 tasktracker.sink.ganglia.servers=239.2.11.71:8801 maptask.sink.ganglia.servers=239.2.11.71:8801 reducetask.sink.ganglia.servers=239.2.11.71:8801

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