hadoop yarn配置错误修正
2016-09-07 17:08
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hadoop执行log查看IP错误
<property> <name>yarn.resourcemanager.address</name> <value>bigdata01:8032</value> </property> <property> <name>yarn.resourcemanager.scheduler.address</name> <value>bigdata01:8030</value> </property> <property> <name>yarn.resourcemanager.resource-tracker.address</name> <value>bigdata01:8031</value> </property> <property> <name>yarn.resourcemanager.admin.address</name> <value>bigdata01:8033</value> </property> <property> <name>yarn.resourcemanager.webapp.address</name> <value>bigdata01:8088</value> </property> <property> <name>yarn.nodemanager.aux-services</name> <value>mapreduce_shuffle</value> </property> <property> <name>yarn.resourcemanager.hostname</name> <value>bigdata01</value> </property> <span style="color:#ff0000;"> <property> <name>yarn.nodemanager.hostname</name> <value>bigdata01</value> </property> <property> <name>yarn.nodemanager.webapp.address</name> <value>bigdata01:8042</value> </property></span> <property> <name>yarn.log-aggregation-enable</name> <value>true</value> </property>yarn-site.xml配置文件如果不配置上述红色字体的配置,则图片中标注处默认localhost:8042,则无法进行跳转。
修正后:
配置查看网页地址:http://bigdata01:8088/conf
hadoop job执行完之后:
点击 http://n1.hadoop:19888/jobhistory/attempts/job_1406341693880_0001/r/SUCCESSFUL 出现Aggregation is not enabled. Try the nodemanager at d2.hadoop:42812 错误。一开始以为是相关的服务没有开启,后来试了好几个都不行。
在网上找到相关资料:
[html] view
plain copy
<property>
<name>yarn.log-aggregation-enable</name>
<value>true</value>
</property>
增加以上信息在 yarn-site.xml to enable log aggregation.
yarn是用管理job的调度,然后这个地方需要手动的去开启才可以看到。
uber mode
Hadoop的小作业模式, 数据量小非常节约时间16/09/07 17:30:03 INFO mapreduce.Job: Job job_1473238699388_0005 running in uber mode : false
将mapreduce.job.ubertask.enable设置为true。 |
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