Hadoop2.0重启脚本方便重启带ha的集群，写了这个脚本#/bin/bashsh /opt/zookeeper-3.4.5-cdh4.4.0/bin/zkServer.sh restartsh /opt/hadoop-2.0.0-cdh4.5.0/sbin/hadoop-daemon.sh start journalnodesh /opt/hadoop-2.0.0-cdh4.5.0/sbin/stop-dfs.shsh /opt/hadoop-2.0.0-cdh4.5.0/bin-mapreduce1/stop-mapred-ha.shsh /opt/hadoop-2.0.0-cdh4.5 Read More
ganglia监控hadoop2.0配置方法前提：hadoop2.0集群已安装ganglia监控工具第一步：Hadoop用户登录集群每一个节点，修改文件：vi /opt/hadoop-2.0.0-cdh4.5.0/etc/hadoop/hadoop-metrics2.properties将文件内容修改为如下内容：（注释或者删除默认配置）*.sink.ganglia.class=org.apache.hadoop.metrics2.sink.ganglia.GangliaSink31 *.sink.ganglia.period=10 *.sink.ganglia.slope=jvm.metr.. Read More