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Flume Interceptors Flume has the capability to modify/drop events in-flight. This is done with the help of interceptors. Interceptors are classes that 阅读全文
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Sqoop User Guide (v1.4.6) 1. Introduction Sqoop is a tool designed to transfer data between Hadoop and relational databases or mainframes. You can use 阅读全文
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名词解释 ▪ Operations are eager when they are executed as soon as the statement is reached in the code; 勤快运行:接收到代码立刻执行; ▪ Operations are lazy when the exe 阅读全文