hadoop搭建四个配置文件(core-site.xml hdfs-site.xml mapred-site.xml yarn-site.xml )的简单介绍

小灰灰 2022-06-10 04:50 156阅读 0赞

**一 、core-site.xml**

<configuration>
            
        <property>
                    <name>fs.defaultFS</name>
                    <value>hdfs://master:9000</value>
        </property>
        
        <property>
                 <name>hadoop.tmp.dir</name>
                 <value>file:///usr/hadoop/hadoop-2.6.0/tmp</value> 
        </property>
            
            <name>fs.checkpoint.period</name> 
            <value>3600</value>
     </configuration>

**二 、hdfs-site.xml**

<configuration>
        
        <property>
                <name>dfs.replication</name>
                <value>2</value>
        </property>
        
        <property>
                 <name>dfs.namenode.name.dir</name> 
                 <value>file:/usr/hadoop/hadoop-2.6.0/tmp/dfs/name</value>
        </property>
        
        <property>
                 <name>dfs.datanode.data.dir</name>
                 <value>file:/usr/hadoop/hadoop-2.6.0/tmp/dfs/data</value>
        </property>
    
    </configuration>

**三、 mapred-site.xml**

<configuration>
    
            <property>
                  <name>mapreduce.framework.name</name>
                  <value>yarn</value>
           </property>
    </configuration>

**四、 yarn-site.xml**

<configuration>
        
            <property>
                    <name>yarn.nodemanager.aux-services</name>
                    <value>mapreduce_shuffle</value>
            </property>
             
        <property>
                <name>yarn.resourcemanager.hostname</name>
                <value>master</value>
        </property> 
            
        <property>    
            <name>yarn.log-aggregation-enable</name> 
            <value>true</value>    
        </property>
    
    <configuration>