Hadoop集群配置速记
core-site.xml
源代码
<configuration>
<!—指定NameNode的地址及访问端口 -->
<property>
<name>fs.defaultFS</name>
<value>hdfs://node1:8020</value>
</property>
<!-- 设置Hadoop数据的本地保存路径 -->
<property>
<name>hadoop.tmp.dir</name>
<value>/export/data/hadoop-3.3.0</value>
</property>
<!-- 设置在Web UI中访问HDFS的静态用户名 -->
<property>
<name>hadoop.http.staticuser.user</name>
<value>root</value>
</property>
<!-- 配置root（超级用户）允许通过代理访问的主机节点-->
<property>
<name>hadoop.proxyuser.root.hosts</name>
<value>*</value>
</property>
<!-- 配置root（超级用户）允许通过代理用户所属组 -->
<property>
<name>hadoop.proxyuser.root.groups</name>
<value>*</value>
</property>
<!-- 文件系统垃圾桶保存时间 -->
<property>
<name>fs.trash.interval</name>
<value>1440</value>
</property>
</configuration>配置原则
属性为一个单元 属性里面包字段名,字段名后跟键值,键值字段名都在属性中
属性叫property,字段名叫name,键值叫value
字段拆分
指定NameNode的地址及访问端口:
字段名: fs.defaultFS
键值: hdfs://node1:8020 协议为HDFS
指定Hadoop的临时文件路径:
字段名: hadoop.tmp.dir
键值: /export/data/hadoop-3.3.0设置在Web UI中访问HDFS的静态用户名:
字段名: hadoop.http.staticuser.user
键值: root配置root（超级用户）允许通过代理访问的主机节点:
字段名: hadoop.proxyuser.root.hosts
键值: *允许所有
配置root（超级用户）允许通过代理用户所属组:
字段名: hadoop.proxyuser.root.groups
键值: *文件系统垃圾桶保存时间:
字段名: fs.trash.interval
键值: 1440
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