,
192.168.1.100 test1 ,
192.168.1.200 test2
groupadd hadoop ,
useradd hadoop -g hadoop ,
passwd hadoop
,
su hadoop ,
ssh-keygen -t rsa -P “,,
scp ~/. ssh/id_rsa.pub hadoop@test2: ~/. ssh/id_rsa。酒吧
cat id_rsa.pub 在祝辞,authorized_keys ,
chmod 600,。ssh/authorized_keys
ulimit -n , 65535,,
vim /etc/安全/limits.conf增加如下内容:,,
\ *,,,,hard ,,, nofile ,, 65535,,
\ *,,,,soft ,,, nofile ,, 65535年
export JAVA_HOME=/opt/jdk
& lt; property>,,
,,,& lt; name> fs.default.name,,
,,,& lt; value> hdfs://HDP125:9000,,
& lt;/property>,,
& lt; property>,,
,,,& lt; name> hadoop.tmp.dir,,
,,,& lt; value>/home/$ {user.name}/tmp,,
& lt;/property>,,
& lt; property>,,
,,,& lt; name> fs.trash.interval,,
,,,& lt; value> 1440 & lt;/value>,,
& lt;/property>
& lt; property>,,
,,,& lt; name> dfs.replication,,
,,,& lt; value> 1 & lt;/value>,,
& lt;/property>,,
& lt; property>,,
,,,& lt; name> dfs.namenode.name.dir,,
,,,& lt; value>/home/$ {user.name}/dfs_name,,
& lt;/property>,,
& lt; property>,,
,,,& lt; name> dfs.datanode.data.dir,,
,,,& lt; value>/home/$ {user.name}/dfs_data,,
& lt;/property>,,
& lt; property>,,
,,,& lt; name> dfs.support.append,,
,,,& lt; value> true,,
& lt;/property>,,
& lt; property>,,
,,,& lt; name> dfs.datanode.max.xcievers,,
,,,& lt; value> 4096 & lt;/value>,,
& lt;/property>
& lt; property>,,
& lt;才能name> yarn.nodemanager.aux-services</name>,,
& lt;才能value> mapreduce_shuffle</value>,,
& lt;/property>,,
& lt; property>,,
& lt;才能name> yarn.resourcemanager.hostname</name>,,
& lt;才能value> master</value>,,
& lt;/property>,,
& lt; property>,,
& lt;才能name> yarn.nodemanager.aux-services.mapreduce.shuffle.class</name>,,
& lt;才能value> org.apache.hadoop.mapred.ShuffleHandler</value>,,
& lt;/property>,,
& lt; property>,,
& lt;才能name> yarn.timeline-service.hostname</name>,,
& lt;才能value> master</value>,,
& lt;/property>
& lt; property>,,
& lt;才能name> mapreduce.framework.name</name>,,
& lt;才能value> yarn</value>,,
& lt;/property>
test1 ,
test2
scp -r /opt/hadoop hadoop@test2:/opt/,,
chown -R hadoop: hadoop /opt/hadoop ,
/bin/hadoop namenode 格式
sbin/开始。sh
sbin/开始。sh
,,http://test1:50070
