hadoop配置
hadoop-env.sh
export JAVA_HOME=java绝对路径
export HDFS_NAMENODE_USER=root
export HDFS_DATANODE_USER=root
export HDFS_SECONDARYNAMENODE_USER=root
export YARN_RESOURCEMANAGER_USER=root
export YARN_NODEMANAGER_USER=root
core-site.xml
<property> <name>fs.defaultFS</name> <value>hdfs://centos001:9000</value> </property> <property> <name>hadoop.tmp.dir</name> <value>/usr/local/hadoop/tmp</value> </property>
hdfs-site.xml
<property> <name>dfs.namenode.secondary.http-address</name> <value>centos001:50090</value> </property> <property> <name>dfs.replication</name> <value>2</value> </property>
yarn-site.xml
<property> <name>yarn.nodemanager.aux-services</name> <value>mapreduce_shuffle</value> </property> <property> <name>yarn.resourcemanager.hostname</name> <value>centos001</value> </property>
mapred-site.xml
<property> <name>mapreduce.framework.name</name> <value>yarn</value> </property>