Re: pg_dump & performance degradation

> 
> Is this the sort of problem that nice() might solve, or not?

No.  Nice only handles CPU scheduling, not I/O.  In fact, most kernels
give I/O bound processed higher priority because they are using valuable
shared resources while doing the I/O, so the kernel wants it to finish
as quickly as possible.

> 
> Bruce Momjian wrote:
> > 
> > > >> I think Philip's idea of adding some delays into pg_dump is a reasonable
> > > >> answer.  I'm just recommending a KISS approach to implementing the
> > > >> delay, in the absence of evidence that a more complex mechanism will
> > > >> actually buy anything...
> > > >
> > > >I am worried about feature creep here.
> 


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