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[hadoop@oversea-stable ~]$ wget http://mirror.bit.edu.cn/apache/hadoop/common/hadoop-2.9.1/hadoop-2.9.1.tar.gz [hadoop@oversea-stable ~]$ tar xfz hadoop-2.9.1.tar.gz -C /opt/
[hadoop@oversea-stable ~]$ cd /opt/
[hadoop@oversea-stable opt]$ ln -s hadoop-2.9.1 hadoop
[hadoop@oversea-stable opt]$ cd hadoop/etc/hadoop
[hadoop@oversea-stable hadoop]$ grep JAVA_HOME hadoop-env.sh
export JAVA_HOME=/usr/java/latest
[hadoop@oversea-stable hadoop]$
[hadoop@oversea-stable hadoop]$ tail -14 core-site.xml
fs.defaultFS
hdfs://inspiryhdfs
hadoop.tmp.dir
/opt/hadoop/tmp
ha.zookeeper.quorum
open-stable:2181,permission-stable:2181,sp-stable:2181
[hadoop@oversea-stable hadoop]$
[hadoop@oversea-stable hadoop]$ tail -50 hdfs-site.xml
dfs.nameservices
inspiryhdfs
dfs.ha.namenodes.inspiryhdfs
nn1,nn2
dfs.namenode.rpc-address.inspiryhdfs.nn1
oversea-stable:9000
dfs.namenode.http-address.inspiryhdfs.nn1
oversea-stable:50070
dfs.namenode.rpc-address.inspiryhdfs.nn2
bus-stable:9000
dfs.namenode.http-address.inspiryhdfs.nn2
bus-stable:50070
dfs.namenode.shared.edits.dir
qjournal://open-stable:8485;permission-stable:8485;sp-stable:8485/inspiryhdfs
dfs.journalnode.edits.dir
/opt/hadoop/journal
dfs.ha.automatic-failover.enabled
true
dfs.client.failover.proxy.provider.inspiryhdfs
org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider
dfs.ha.fencing.methods
sshfence
dfs.ha.fencing.ssh.private-key-files
/home/hadoop/.ssh/id_rsa
指定MapReduce运行在yarn框架之上
[hadoop@oversea-stable hadoop]$ cp mapred-site.xml{.template,}
[hadoop@oversea-stable hadoop]$ tail -6 mapred-site.xml
mapreduce.framework.name
yarn
[hadoop@oversea-stable hadoop]$
指定DataNode节点
[hadoop@oversea-stable hadoop]$ cat slaves
open-stable
permission-stable
sp-stable
[hadoop@oversea-stable hadoop]$
[hadoop@oversea-stable hadoop]$ tail -11 yarn-site.xml
yarn.resourcemanager.hostname
oversea-stable
yarn.nodemanager.aux-services
mapreduce_shuffle
[hadoop@oversea-stable hadoop]$
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