edit

container/conf/java/hadoop/yarn-site.xml

@@ -7,7 +7,7 @@
     </property> 
     <property>
         <name>yarn.nodemanager.resource.memory-mb</name>
-        <value>2048</value>
+        <value>1024</value>
         <discription>每个节点可用内存,单位MB</discription>
     </property>
     <property>