yarnhadoop2.3.0installationclusterCentos64bits

1.所有机器: 使用hm用户登录
$cd /home/hm
$mkdir .ssh
2. 在namenode上生成密钥对
$ ssh-keygen -t dsa -P ‘‘ -f ~/.ssh/id_dsa
$ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
2.1 .ssh目录要设成700 有执行权限
2.2 authorized_keys要设成600 否则会出错
2.3 还有ssh 登陆要加入用户名的 比如(需要密码)
$ssh n1
$ssh n2
3. 复制公钥(需要密码)
$cd .ssh
$scp authorized_keys n1:/home/hm/.ssh
$scp authorized_keys n2:/home/hm/.ssh
4.测试 (！！不需要密码)
ssh n1
ssh n2

xml version="1.0" encoding="UTF-8"?>
xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>fs.defaultFSname>
<value>hdfs://n0:9000value>
property>
<property>
<name>io.file.buffer.sizename>
<value>131072value>
property>
<property>
<name>hadoop.tmp.dirname>
<value>file:/home/hm/tempvalue>
property>
<property>
<name>hadoop.proxyuser.hm.hostsname>
<value>*value>
property>
<property>
<name>hadoop.proxyuser.hm.groupsname>
<value>*value>
property>
configuration>

xml version="1.0" encoding="UTF-8"?>
xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>dfs.namenode.secondary.http-addressname>
<value>n0:9001value>
property>
<property>
<name>dfs.namenode.name.dirname>
<value>file:/home/hm/dfs/namevalue>
property>
<property>
<name>dfs.datanode.data.dirname>
<value>file:/home/hm/dfs/datavalue>
property>
<property>
<name>dfs.replicationname>
<value>2value>
property>
<property>
<name>dfs.webhdfs.enabledname>
<value>truevalue>
property>
configuration>

xml version="1.0"?>
<configuration>

<property>
<name>yarn.nodemanager.aux-servicesname>
<value>mapreduce_shufflevalue>
property>
<property>
<name>yarn.nodemanager.aux-services.mapreduce.shuffle.classname>
<value>org.apache.hadoop.mapred.ShuffleHandlervalue>
property>
<property>
<name>yarn.resourcemanager.addressname>
<value>n0:8032value>
property>
<property>
<name>yarn.resourcemanager.scheduler.addressname>
<value>n0:8030value>
property>
<property>
<name>yarn.resourcemanager.resource-tracker.addressname>
<value>n0:8031value>
property>
<property>
<name>yarn.resourcemanager.admin.addressname>
<value>n0:8033value>
property>
<property>
<name>yarn.resourcemanager.webapp.addressname>
<value>n0:8088value>
property>
configuration>

xml version="1.0"?>
xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>mapreduce.framework.namename>
<value>yarnvalue>
property>
<property>
<name>mapreduce.jobhistory.addressname>
<value>n0:10020value>
property>
<property>
<name>mapreduce.jobhistory.webapp.addressname>
<value>n0:19888value>
property>
configuration>