[hadoop@master mapreduce]$ hadoop jar hadoop-mapreduce-examples-2.6.4.jar wordcount /wordcount/input//09/22 20:33:50 INFO input.FileInputFormat: Total input paths to process : 0
17/09/22 20:33:50 INFO mapreduce.JobSubmitter: number of spl
FORMAT SERDE 'com.cloudera.hive.serde.JSONSerDe'我已经通过使用HiveQL (从)查询数据库来验证表“tweets”中存在数据。在这之后,我试图在Eclipse语言中编写一个MapReduce作业。org.apache.hadoop.util.*;import org.apache.hc