報錯背景

hadoop啟動時NodeManager掛掉。

報錯現象

2020-09-16 17:01:08,451 FATAL org.apache.hadoop.yarn.server.nodemanager.NodeManager: Error starting NodeManager
org.apache.hadoop.yarn.exceptions.YarnRuntimeException: org.apache.hadoop.yarn.exceptions.YarnRuntimeException: Recieved SHUTDOWN signal from Resourcemanager ,Registration of NodeManager failed, Message from ResourceManager: NodeManager from  c202pc1 doesn
 
't satisfy minimum allocations, Sending SHUTDOWN signal to the NodeManager.
    at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.serviceStart(NodeStatusUpdaterImpl.java:203)
    at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
    at org.apache.hadoop.service.CompositeService.serviceStart(CompositeService.java:
 
120)
    at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceStart(NodeManager.java:272)
    at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
    at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:496)
    at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:
 
543)
Caused by: org.apache.hadoop.yarn.exceptions.YarnRuntimeException: Recieved SHUTDOWN signal from Resourcemanager ,Registration of NodeManager failed, Message from ResourceManager: NodeManager from  c202pc1 doesn't satisfy minimum allocations, Sending SHUTDOWN signal to the NodeManager.
    at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.registerWithRM(NodeStatusUpdaterImpl.java:278)
    at org.apache.hadoop.yarn.server.nodemanager.NodeStatusUpdaterImpl.serviceStart(NodeStatusUpdaterImpl.java:197)
    ... 6 more

報錯原因

伺服器配置不能滿足yarn要求。

報錯解決

修改配置檔案 yarn-site.xml

新增或者修改配置

    <!-- 設定記憶體 -->
    <property>
        <name>yarn.nodemanager.resource.memory-mb</name>
        <value>1600</value>
    </property>
    <!-- 設定cpu 核數 -->
    <property>
        <name>yarn.nodemanager.resource.cpu-vcores</name>
        <value>1</value>
    </property>