On Thu, May 30, 2013 at 6:43 PM, Jalisson Mello
<jalissonmeneses@hotmail.com> wrote:
> Thanks by the answer.
>
> The iowait is very low i think, it's varies between 0.14 and 1.1 and cpu
> 98% idle during this time.
>
> OS and hardware problems were the first things that i thought and tested and
> until now nothing strange.
>
> It's writing to local disk.
>
> Any suggestion or idea will be welcome.
>
> Tomorrow I will post my postgresql.conf because today is holiday here in
> Brazil and I don't have acess to the servers from my home.
What I would try next is to see if if the copying process is binding
up in a system call: try strace -t on the process that is doing the
dump. If you see excessive timings there that will be a big clue.
merlin
