"dghundt@netzero.net" <dghundt@netzero.net> writes:
> Postgres backsup the data and 95% of the time sticks at this table and cpu activity drops from 40-60% to about zero.
Ican stay there for hours before I just have to stop the attempt.
Have you looked into pg_locks to see if something is holding an
exclusive lock on that table? Have you checked to see if there's
still disk activity?
regards, tom lane