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RSS订阅原创 MapReudce WordCount代码+简单去重
1.源数据 以空格分隔的多行文本 hadoop hdfs mapreduce hive hadoop zookeeper saprk forak flume hadoop 2.词频统计 package WordCount; import java.io.IOException; import java.net.URI; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.conf.Configured
2021-12-10 11:32:00
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原创 10.31
1.hive错误 Unable to open a test connection to the given database. JDBC url = jdbc:mysql://slave2:3306/hive?createDatabaseIfNotExist=true, username = root. Terminating connection pool (set lazyInit to true if you expect to start your database after your
2021-10-31 15:52:55
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