Hadoop计算分类活跃用户
获取活跃用户
编译：
/usr/lib/jdk1.6.0_33/bin/javac -classpath /opt/hadoop/hadoop-core-1.1.2.jar -d /home/hadoop/pinge_classes/ /home/hadoop/pinge_classes/PingeActiveStat.java
hadoop@Master:~/pinge_classes$ /usr/lib/jdk1.6.0_33/bin/jar -cvf /home/hadoop/PingeActiveStat.jar -C /home/hadoop/pinge_classes/ .
运行
/opt/hadoop/bin/hadoop jar /home/hadoop/PingeActiveStat.jar cn.focus.dc.hadoop.PingeActiveStat /opt/tmp_log/pinge-access-2013-08-18.log hdfs://10.1.77.213:54310/user/hadoop/pinge_access/pinge-access-2013-08-18.log hdfs://10.1.77.213:54310/user/hadoop/pinge_access_output/
放权限
/opt/apps/hadoop/bin/hadoop fs -chmod -R 777 /user
/usr/lib/jdk1.6.0_33/bin/javac -classpath /opt/hadoop/hadoop-core-1.1.2.jar -d /home/hadoop/pinge_ugc_classes/ /home/hadoop/pinge_ugc_classes/PingeUgcStat.java
/usr/lib/jdk1.6.0_33/bin/jar -cvf /home/hadoop/PingeUgcStat.jar -C /home/hadoop/pinge_ugc_classes/ .
/opt/hadoop/bin/hadoop jar /home/hadoop/PingeUgcStat.jar cn.focus.dc.hadoop.PingeUgcStat /opt/tmp_log/pinge-2013-08-24.log hdfs://10.1.77.213:54310/user/hadoop/pinge_ugc/pinge-ugc-2013-08-24.log hdfs://10.1.77.213:54310/user/hadoop/pinge_ugc_output/
/opt/apps/hadoop/bin/hadoop jar /opt/stat/PingeUgcStat.jar cn.focus.dc.hadoop.PingeUgcStat /opt/tmp_log/pinge-2013-08-24.log hdfs://localhost:54310/user/hadoop/pinge_ugc/pinge-ugc-2013-08-24.log hdfs://localhost:54310/user/hadoop/pinge_ugc_output/
