marcelo Cortez <jmdc_marcelo(at)yahoo(dot)com(dot)ar> writes:
> Then i've created "normal" tables but the wal file
> generated by this tables grows and grows.
The WAL files shouldn't grow indefinitely unless you've got some
fairly serious problem that is preventing checkpoints from occurring.
Look in the server log file to see if there are any error messages
about that.
regards, tom lane