问题:Hadoop伪分布式配置需要修改哪些文件?
解决:需要修改hadoop/etc/hadoop/ 中,伪分布式需要修改2个配置文件 core-site.xml 和 hdfs-site.xml
方法:
core-site.xml修改为
<configuration>
<property>
<name>hadoop.tmp.dir</name>
<value>file:/usr/local/hadoop/tmp</value>
<description>Abase for other temporary directories.</description>
</property>
<property>
<name>fs.defaultFS</name>
<value>hdfs://localhost:9000</value>
</property>
</configuration>
hdfs-site.xml修改为
<configuration>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>file:/usr/local/hadoop/tmp/dfs/name</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:/usr/local/hadoop/tmp/dfs/data</value>
</property>
</configuration>
参考:
http://dblab.xmu.edu.cn/blog/install-hadoop/