5、MapReduce框架包括多个Master和多个Slave。

5、MapReduce框架包括多个Master和多个Slave。


参考答案和解析
错误

相关考题:

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问答题MapReduce模型采用Master(JobTracker)-Slave(TaskTracker)结构,试描述JobTracker和TasKTracker的功能。

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单选题An existing master-slave setup is currently using a delayed replication of one hour. The master has crashed and the slave must be "rolled forward" to provide all the latest data. The SHOW SLAVE STATUS indicates the following values: RELAY_LOG_FILE =hostname-relay-bin.00004 RELAY_LOG_POS = 1383 Which command set would make the slave current?()ASTOP SLAVE; CHANGE MASTER TO MASTER_DELAY =0, RELAY_LOG_FILE = 'hostnamerelay- bin.00004' , RELAY_LOG_POS= 1383BSTOP SLAVE; CHANGE MASTER TO RELAY_LOG_FILE = 'hostname-relay-bin.00004', RELAY_LOG_POS = 1383CSTOP SLAVE; CHANGE MASTER TO MASTER_DELAY=0; START SLAVEDSTOP SLAVE; SET GLOBAL master_delay =0; START SLAVE

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