How Can You Control The Number Of Mappers Used By The Sqoop Command?

1.	How Can You Control The Number Of Mappers Used By The Sqoop Command?
Answer» The Parameter num-mapers is USED to control the NUMBER of MAPPERS executed by a sqoop command. We should start with choosing a small number of map tasks and then gradually scale up as choosing high number of mappers initially may slow down the PERFORMANCE on the database side. The Parameter num-mapers is used to control the number of mappers executed by a sqoop command. We should start with choosing a small number of map tasks and then gradually scale up as choosing high number of mappers initially may slow down the performance on the database side.

Answer»

The Parameter num-mapers is USED to control the NUMBER of MAPPERS executed by a sqoop command. We should start with choosing a small number of map tasks and then gradually scale up as choosing high number of mappers initially may slow down the PERFORMANCE on the database side.

The Parameter num-mapers is used to control the number of mappers executed by a sqoop command. We should start with choosing a small number of map tasks and then gradually scale up as choosing high number of mappers initially may slow down the performance on the database side.

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