1 把 Ganglia 安装至 namenode
1.1 sudo apt-get install ganglia-monitor ganglia-webfrontend gmetad
1.2 sudo gedit /etc/ganglia/gmond.conf
1.2.1 setuid = yes --》 setuid =no
1.2.2 cluster块中的name，改成name =”hadoop-test”
1.3 重启gmond
1.4 sudo apt-get install rrdtool
1.5 sudo gedit /etc/ganglia/gmetad.conf
data_source “hadoop-test” namenode:8649 datanode1:8649 datanode2:8649
1.6 sudo /etc/init.d/gmetad restart
1.7 sudo /etc/init.d/ganglia-monitor restart
1.8 sudo ln -s /usr/share/ganglia-webfront /var/www/ganglia
1.9 sudo /etc/init.d/apache2 restart
1.10 sudo gedit $hadoop_home/conf/hadoop-metrics2.properties
# Configuration of the “dfs” context for ganglia
dfs.class=org.apache.hadoop.metrics.ganglia.GangliaContext
dfs.period=10
dfs.servers=239.2.11.71:8649
# Configuration of the “mapred” context for ganglia
mapred.class=org.apache.hadoop.metrics.ganglia.GangliaContext
mapred.period=10
mapred.servers=239.2.11.71:8649
# Configuration of the “jvm” context for ganglia
jvm.class=org.apache.hadoop.metrics.ganglia.GangliaContext
jvm.period=10
jvm.servers=239.2.11.71:8649
2 安装datanode客户端
2.1 sudo apt-get install ganglia-monitor
2.2 并配置1.10