Hadoop 2环境配置
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etc/hadoop目录下的配置文件core-site.xml
<configuration> <property> <name>fs.default.name</name> <value>hdfs://localhost:9000</value> </property> <property> <name>hadoop.tmp.dir</name> <value>/home/fd/tmp</value> </property></configuration>hdfs-site.xml
<configuration> <property> <name>dfs.replication</name> <value>1</value> </property> <property> <name>dfs.namenode.name.dir</name> <value>file:/home/fd/namenode</value> </property> <property> <name>dfs.datanode.data.dir</name> <value>file:/home/fd/datanode</value> </property></configuration>mapred-site.xml
<configuration> <property> <name>mapreduce.framework.name</name> <value>yarn</value> </property></configuration>yarn-site.xml
<configuration> <property> <name>yarn.nodemanager.aux-services</name> <value>mapreduce_shuffle</value> </property> <property> <name>yarn.resourcemanager.resource-tracker.address</name> <value>hadoop1:8031</value> </property> <property> <name>yarn.resourcemanager.scheduler.address</name> <value>hadoop1:8030</value> </property></configuration>yarn-env.sh加上java home初始化,输入命令,bin/hdfs namenode -format全部启动sbin/start-all.sh,也可以分开sbin/start-dfs.sh、sbin/start-yarn.sh或者更详细hadoop-daemon.sh start namenodehadoop-daemon.sh start datanodeyarn-daemon.sh start resourcemanageryarn-daemon.sh start nodemanager启动后可以从50070和8088端口查看hadoop下载地址http://mirror.bit.edu.cn/apache/hadoop/common/
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