Heap Space Error

[Pedro Magalhaes <pe...@gmail.com>]

I am trying to execute a job and I am getting Heap Space Error.
After make some tests, I realize (maybe) the problem is the custom key
size. (the mapper out key/ reduce input key)

First I test:
1. Custom Key holding only one Long. This not cause heap space error
problems.
2. Custom Key holding 3 Longs. This cause heap space problem.

I really dont understand what is the real relantionship between heap size
and the custom key size.

Is there any relationship between them?

Thanks,