Raghu Angadi wrote:
Doug Cutting wrote:
Owen wrote:
One side note is that all of the servers have a servlet such that if
you do http://<node>:<port>/stacks you'll get a stack trace of all
the threads in the server. I find that useful for remote debugging.
*smile* Although if it is a task jvm that has the problem, then
there isn't a server for them.
(This should probably be added to the documentation or the wiki...)
We should. This is very useful. I have been working on Hadoop for months
but still didn't know.
A good place might be on:
http://wiki.apache.org/lucene-hadoop/HowToDebugMapReducePrograms
Doug