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Hadoop 跑应用卡在map100%，reduce0%； #9

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Wastexin opened this issue Oct 16, 2020 · 0 comments
Open

Hadoop 跑应用卡在map100%，reduce0%； #9

Wastexin opened this issue Oct 16, 2020 · 0 comments

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@Wastexin
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Wastexin commented Oct 16, 2020 •
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在进行hadoop的example wordcount出现：
image
这种情况。

解决方法：

修改hadoop集群所有节点上yarn-site.xml配置文件，在该文件中配置ResourceManager Master节点所在地址即可解决问题。详细配置信息如下：
<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>
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