HData是一个异构的ETL数据导入/导出工具，致力于使用一个工具解决不同数据源（JDBC、Hive、HDFS、HBase、MongoDB、FTP、Http、CSV、Excel、Kafka等）之间数据交换的问题。HData在设计上同时参考了开源的Sqoop、DataX，却与之有不同的实现。HData采用“框架+插件”的结构，具有较好的扩展性，框架相当于数据缓冲区，插件则为访问不同的数据源提供实现....

文章 2022-02-16 来自：开发者社区

sqoop导出到hdfs

./sqoop export --connect jdbc:mysql://192.168.58.180/db --username root --password 123456  --export-dir '/path' --table t_detail -m   用单引号  不保留原有的变量意思     否则如果原来有个变量叫path &nbs...

文章 2022-02-16 来自：开发者社区

《Hadoop实战手册》一1.2 使用Hadoop shell命令导入和导出数据到HDFS

本节书摘来异步社区《Hadoop实战手册》一书中的第1章，第1.2节，作者：【美】Jonathan R. Owens , Jon Lentz , Brian Femiano 译者：傅杰 , 赵磊 , 卢学裕责编：杨海玲，更多章节内容可以访问云栖社区“异步社区”公众号查看。 1.2 使用Hadoop shell命令导入和导出数据到HDFS HDFS提供了许多shell命令来实现访问文件系统....

文章 2022-02-15 来自：开发者社区

sqoop2:从mysql导出数据到hdfs

sqoop2:从mysql导出数据到hdfs中 sqoop－shell 启动sqoopp-shell jjzhu:bin didi$ sqoop2-shell Setting conf dir: /opt/sqoop-1.99.7/bin/../conf Sqoop home directory: /opt/sqoop-1.99.7 Sqoop Shell: Type 'help' or '\.....

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文件存储HDFS

文件存储HDFS提供标准的HDFS访问协议，用户无需对现有大数据分析应用做任何修改，即可使用具备无限容量及性能扩展、单一命名空间、高可靠和高可用等特性的分布式文件系统。

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