Re: mmap (was First set of OSDL Shared Mem scalability results, some wierdness ...

On Fri, Oct 15, 2004 at 05:37:50PM -0400, Tom Lane wrote:
> Mark Wong <markw@osdl.org> writes:
> > I know where the do_sigaction is coming from in this particular case.
> > Manfred Spraul tracked it to a pair of pgsignal calls in libpq.
> > Commenting out those two calls out virtually eliminates do_sigaction from
> > the kernel profile for this workload.
>
> Hmm, I suppose those are the ones associated with suppressing SIGPIPE
> during send().  It looks to me like those should go away in 8.0 if you
> have compiled with ENABLE_THREAD_SAFETY ... exactly how is PG being
> built in the current round of tests?
>

Ah, yes.  Ok.  It's not being configured with any options.  That'll be easy to
rememdy though.  I'll get that change made and we can try again.

Mark