Hadoop 2.6.0的安装略复杂,在一台既有Hadoop 1又有Hadoop 2的server上,要设置好环境变量,必要时候echo $HADOOP_HOME一下看运行的是哪个版本。
Master: ResourceManager, SecondaryNameNode, NameNode, JobHistoryServer, NodeManager
Slave1: DataNode, NodeManager
yarn-daemon.sh start nodemanager
Hadoop运行pig报错,jobhistoryserver问题
http://stackoverflow.com/questions/17930644/connection-error-in-apache-pig
mr-jobhistory-daemon.sh start historyserver
大数据啊呀妈妈