Hadoop HA
1、省略部分
jdk、ssh互信、ntpd、hadoop2.7.6下载、zookeeper部署
2、修改文件
hadoop-env.sh mapred-env.sh yarn-env.sh中添加java_home
core-site.xml
<property>
<name>fs.defaultFS</name>
<value>hdfs://epoint/</value>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>/opt/hadoop-2.7.6/tmp</value>
</property>
<property>
<name>ha.zookeeper.quorum</name>
<value>slave01:2181,slave02:2181,slave03:2181</value>
</property>
hdfs-site.xml
<property>
<name>dfs.replication</name>
<value>3</value>
</property>
<property>
<name>dfs.permissions.enabled<
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