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  • hadoop伪分布式安装配置文件hdfs-site.xml

    hdfs-site.xml

    <?xml version="1.0" encoding="UTF-8"?>
    <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
    <!--
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
      You may obtain a copy of the License at
    
        http://www.apache.org/licenses/LICENSE-2.0
    
      Unless required by applicable law or agreed to in writing, software
      distributed under the License is distributed on an "AS IS" BASIS,
      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      See the License for the specific language governing permissions and
      limitations under the License. See accompanying LICENSE file.
    -->
    
    <!-- Put site-specific property overrides in this file. -->
    
    <configuration>
       <property>
           <name>dfs.replication</name>
           <value>1</value>
           <description>副本个数,配置默认是3,应小于datanode机器数量</description>
       </property>
       <property>
           <name>dfs.name.dir</name>
           <value>/data/hadoop/hdfs/name</value>
           <description>名称节点设置目录多个用逗号分开</description>
       </property>
       <property>
           <name>dfs.data.dir</name>
           <value>/data/hadoop/hdfs/data</value>
           <description>名称节点设置目录</description>
       </property>
    </configuration>

    mapred-site.xml

    <?xml version="1.0"?>
    <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
    <!--
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
      You may obtain a copy of the License at
    
        http://www.apache.org/licenses/LICENSE-2.0
    
      Unless required by applicable law or agreed to in writing, software
      distributed under the License is distributed on an "AS IS" BASIS,
      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      See the License for the specific language governing permissions and
      limitations under the License. See accompanying LICENSE file.
    -->
    
    <!-- Put site-specific property overrides in this file. -->
    
    <configuration>
        <property>
            <name>mapreduce.framework.name</name>
            <value>yarn</value>
        </property>
    <property>
      <name>yarn.app.mapreduce.am.env</name>
      <value>HADOOP_MAPRED_HOME=${HADOOP_HOME}</value>
    </property>
    <property>
      <name>mapreduce.map.env</name>
      <value>HADOOP_MAPRED_HOME=${HADOOP_HOME}</value>
    </property>
    <property>
      <name>mapreduce.reduce.env</name>
      <value>HADOOP_MAPRED_HOME=${HADOOP_HOME}</value>
    </property>
    </configuration>

    yarn-site.xml

    <?xml version="1.0"?>
    <!--
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
      You may obtain a copy of the License at
    
        http://www.apache.org/licenses/LICENSE-2.0
    
      Unless required by applicable law or agreed to in writing, software
      distributed under the License is distributed on an "AS IS" BASIS,
      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      See the License for the specific language governing permissions and
      limitations under the License. See accompanying LICENSE file.
    -->
    <configuration>
    
    <!-- Site specific YARN configuration properties -->
        <property>
            <name>yarn.nodemanager.aux-services</name>
            <value>mapreduce_shuffle</value>
        </property>
    </configuration>
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  • 原文地址:https://www.cnblogs.com/chuijingjing/p/13208270.html
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