```shell vi /opt/hadoop/etc/hadoop/mapred-site.xml ``` ```xml <property> <name>mapreduce.jobhistory.address</name> <value>hadoop03:10020</value> </property> <property> <name>mapreduce.jobhistoryi.webapp.address</name> <value>hadoop03:19888</value> </property> ``` 启动历史服务器 ```shell /opt/hadoop/sbin/mr-jobhistory-daemon.sh start historyserver ``` 配置日志聚集功能保留日志7天 ```shell vi /opt/hadoop/etc/hadoop/yarn-site.xml ``` ```xml <property> <name>yarn.log-aggregation-enable</name> <value>true</value> </property> <property> <name>yarn.log-aggregation.retain-seconds</name> <value>604800</value> </property> ```