No.

At least you need to call runJob twice.  Typically, it is safer to create
two job configurations so you don't forget to change something from the
first jobs.

It isn't a big deal.  Just do it!

On Tue, Jun 3, 2008 at 8:31 AM, hong <[EMAIL PROTECTED]> wrote:

> Hi all
>
> A job must be done in two pairs of map reduce, That is, Map1==> reduce1 ==>
> map2==>reduce2. "==>" means the output file of left is the input of the
> right.
> To do that job, can I just create only one JobConf instance, and invoke
> JobClient.runJob(conf) once?
>
> Is there any similar example?
>
> Thank you, in advance!




-- 
ted

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