Hi,
You could also use apache commons logging to write logs in your
map/reduce functions which will be seen in the jobtracker UI.
that's how we did debugging :)
Hope it helps
Regards,
Raakhi
On Tue, Jun 16, 2009 at 7:29 PM, jason hadoop jason.had...@gmail.comwrote:
When you are running
When you are running in local mode you have 2 basic choices if you want to
interact with a debugger.
You can launch from within eclipse or other IDE, or you can setup a java
debugger transport as part of the mapred.child.java.opts variable, and
attach to the running jvm.
By far the simplest is
Hi all ,
When running hadoop in local mode .. can we use print statements to print
something to the terminal ...
Also iam not sure whether the program is reading my input files ... If i
keep print statements it isn't displaying any .. can anyone tell me how to
solve this problem.
Thanks in
On Mon, Jun 15, 2009 at 10:01 AM, bharath vissapragada
bhara...@students.iiit.ac.in wrote:
Hi all ,
When running hadoop in local mode .. can we use print statements to print
something to the terminal ...
Yes. In distributed mode, each task will write its stdout/stderr to files
which you