Thank you so much!
Owen O'Malley wrote:
> I uploaded a patch that does a secondary sort. Take a look at:
>
> https://issues.apache.org/jira/browse/HADOOP-4545
>
> It reads input with two numbers per a line. Such as:
>
> -1 -4
> -3 23
> 5 10
> -1 -2
> -1 300
> -1 10
> 4 1
> 4 2
> 4 10
> 4 -1
> 4 -10
> 10 20
> 10 30
> 10 25
>
> And produces output like (with 2 reduces):
>
> part-00000:
> ------------------------------------------------
> 4 -10
> 4 -1
> 4 1
> 4 2
> 4 10
> ------------------------------------------------
> 10 20
> 10 25
> 10 30
>
> part-00001:
> ------------------------------------------------
> -3 23
> ------------------------------------------------
> -1 -4
> -1 -2
> -1 10
> -1 300
> ------------------------------------------------
> 5 10
>
> -- Owen
