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多项选择题
A.分为映射,映射为Map 阶段
B.分为减速,减速为Reduce 阶段
C.分为映射,映射为Reduce 阶段
D.分为减速,减速为Map 阶段
多项选择题
A.mapreduce.framework.name
B.mapreduce.jobhistory.address
C.yarn.resourcemanager.address
D.mapreduce.jobhistory.webapp.address
多项选择题
A.yarn.resourcemanager.address
B.yarn.resourcemanager.scheduler.address
C.yarn.resourcemanager.admin.address
D.yarn.nodemanager.oux-services
多项选择题
A.http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/core-default.xml
B.http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/hdfs-default.xml
C.http://hadoop.apache.org/docs/current/hadoop-mapreduce-client/hadoop-mapreduce-client-core/mapred-default.xml
D.http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-common/yarn-default.xml
多项选择题
A.修改Master 节点authorized_keys 文件
B.修改Slave 节点authorized_keys 文件
C.验证Master 到每个Slave节点无密码登录
D.验证两个Slave 节点到Master 节点无密码登录