hadoop集群安装

2.設定data_one服务器Step1.編輯網路設定檔設定固定IPStep2.設定hostnamevi /etc/sysconfig/networkStep3.設定hosts檔案127.0.0.1 localhost127.0.1.1 hadoop192.168.0.26 master192.168.0.28 data_one 192.168.0.29 data_two192.168.0.30 data_three# The following lines are desirable for IPv6 capable hosts#::1 ip6-localhost ip6-loopback#fe00::0 ip6-localnet#ff00::0 ip6-mcastprefix#ff02::1 ip6-allnodes#ff02::2 ip6-allroutersStep4.修改core-site.xml/usr/local/hadoop/etc/hadoop/core-site.xml<property>        <name>fs.default.name</name>        <value>hdfs://master:9000</value></property>Step5.修改yarn-site.xml /usr/local/hadoop/etc/hadoop/yarn-site.xml<property>        <name>yarn.resourcemanager.resource-tracker.address</name>        <value>master:8025</value></property><property>        <name>yarn.resourcemanager.scheduler.address</name>        <value>master:8030</value></property><property>        <name>yarn.resourcemanager.address</name>        <value>master:8050</value></property>Step6.修改mapred-site.xmlvim /usr/local/hadoop/etc/hadoop/mapred-site.xml<property> <name>mapred.job.tracker</name> <value>master:54311</value></property>Step8.修改hdfs-site.xml/usr/local/hadoop/etc/hadoop/hdfs-site.xml <property> <name>dfs.replication</name> <value>3</value></property><property> <name>dfs.datanode.data.dir</name> <value> file:/usr/local/hadoop/hadoop_data/hdfs/datanode</value></property>重启 reboot