[hadoop全分布部署]安装Hadoop、配置Hadoop 配置文件②

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目录

一、配置 core-site.xml 文件参数

二、配置 mapred-site.xml  Mapreduce参数

 三、配置 yarn-site.xml

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一、配置 core-site.xml 文件参数

1 vi core-site.xml  集群全局参数

2 在文件中<configuration>和</configuration>一对标签之间追加以下配置信息      

  <property>

                <name>fs.defaultFS</name>

                <value>hdfs://192.168.196.101:9000</value>

        </property>

        <property>

                <name>io.file.buffer.size</name>

                <value>131072</value>

        </property>

        <property>

                <name>hadoop.tmp.dir</name>

                <value>file:/opt/module/hadoop/tmp</value>

        </property>

 

 

注IP地址是master的

二、配置 mapred-site.xml  Mapreduce参数

1 cp mapred-site.xml.template mapred-site.xml

2  vi mapred-site.xml

3  在文件中<configuration>和</configuration>一对标签之间追加以下配置信息       

 <property>

                <name>mapreduce.framework.name</name>

                <value>yarn</value>

        </property>

        <property>

                <name>mapreduce.jobhistory.address</name>

                <value>master:10020</value>

        </property>

        <property>

                <name>mapreduce.jobhistory.webapp.address</name>

                <value>master:19888</value>

        </property>

 

 

 三、配置 yarn-site.xml

1 集群资源管理系统参数

          vi yarn-site.xml  

2 在文件中<configuration>和</configuration>一对标签之间追加以下配置信息       

 <property>

                <name>yarn.resourcemanager.address</name>

                <value>master:8032</value>

        </property>

        <property>

                <name>yarn.resourcemanager.scheduler.address</name>

                <value>master:8030</value>

        </property>

        <property>

                <name>yarn.resourcemanager.resource-tracker.address</name>

                <value>master:8031</value>

        </property>

        <property>

                <name>yarn.resourcemanager.admin.address</name>

                <value>master:8033</value>

        </property>

        <property>

                <name>yarn.resourcemanager.webapp.address</name>

                <value>master:8088</value>

        </property>

        <property>

                <name>yarn.nodemanager.aux-services</name>

                <value>mapreduce_shuffle</value>

        </property>

        <property>

                <name>yarn.nodemanager.aux-services.mapreduce.shuffle.class</name>

                <value>org.apache.hadoop.mapred.ShuffleHandler</value>

        </property>