By default, the prefix of a line
up to the first tab character is the key and the rest of the line (excluding
the tab character)
will be the value. If there is no tab character in the line, then entire
line is considered as key
and the value is null. However, this can be customized, Use:
-D stream
you can try these steps:
1. edit new datanode conf
2. edit namenode conf
3.start-all.sh
2011/1/19 Robert Grandl
> Hi,
>
> It is possible to add a new tasktracker node from the Hadoop code directly
> ?
>
> For example I have in the slaves a list of nodes but only some of them are
> running at the