how does Querygrid determines the number of mappers to use going to hive?

QueryGrid
Teradata Employee

how does Querygrid determines the number of mappers to use going to hive?

 

Accepted Solutions
Teradata Employee

Re: how does Querygrid determines the number of mappers to use going to hive?

Use the NVP 'number of mappers'. By default it is: 

 

number of datanodes * 3

1 ACCEPTED SOLUTION
1 REPLY
Teradata Employee

Re: how does Querygrid determines the number of mappers to use going to hive?

Use the NVP 'number of mappers'. By default it is: 

 

number of datanodes * 3