sqoop连接mysql:
sqoop list-databases
-connect jdbc:mysql://localhost:3306
-username root
-password strongs
mysql 数据导入hdfs中
sqoop import
-connect jdbc:mysql://localhost:3306/mysqoop //mysqoop数据库
-username root
-password strongs
-table student //表
-m 1 //mapreduc数
-target-dir /mysqoop/1/mystu //hdfs目录
mysql 数据导入HBase中
sqoop import
-connect jdbc:mysq;://localhost:3306/mysqoop
-username root
-password strongs
-table student //表
-hbase-create-table //创建hbase表
-hbase-table mystu //表名
-column-family mycf //列族
-hbase-row-key id //主键
hdfs 数据导出到mysql
sqoop export
-connect jdbc:mysq;://localhost:3306/mysqoop
-username root
-password strongs
-table hdfstomysql //表结构必须和导出表结构一样,必须存在
-export-dir hdfs://localhost:9000/..... //源文件路径
sqoop list-databases
-connect jdbc:mysql://localhost:3306
-username root
-password strongs
mysql 数据导入hdfs中
sqoop import
-connect jdbc:mysql://localhost:3306/mysqoop //mysqoop数据库
-username root
-password strongs
-table student //表
-m 1 //mapreduc数
-target-dir /mysqoop/1/mystu //hdfs目录
mysql 数据导入HBase中
sqoop import
-connect jdbc:mysq;://localhost:3306/mysqoop
-username root
-password strongs
-table student //表
-hbase-create-table //创建hbase表
-hbase-table mystu //表名
-column-family mycf //列族
-hbase-row-key id //主键
hdfs 数据导出到mysql
sqoop export
-connect jdbc:mysq;://localhost:3306/mysqoop
-username root
-password strongs
-table hdfstomysql //表结构必须和导出表结构一样,必须存在
-export-dir hdfs://localhost:9000/..... //源文件路径