Re: Perf Benchmarking and regression.

On 2016-06-10 09:34:33 +0900, Michael Paquier wrote:
> On Fri, Jun 10, 2016 at 9:19 AM, Andres Freund <andres@anarazel.de> wrote:
> > On 2016-06-09 14:37:31 -0700, Andres Freund wrote:
> >> I'm writing a patch right now, planning to post it later today, commit
> >> it tomorrow.
> >
> > Attached.
> 
> -        /* see bufmgr.h: OS dependent default */
> -        DEFAULT_BACKEND_FLUSH_AFTER, 0, WRITEBACK_MAX_PENDING_FLUSHES,
> +        0, 0, WRITEBACK_MAX_PENDING_FLUSHES,
> Wouldn't it be better to still use LT_BACKEND_FLUSH_AFTER here, and
> just enforce it to 0 for all the OSes at the top of bufmgr.h?

What would be the point? The only reason for DEFAULT_BACKEND_FLUSH_AFTER
was that it differed between operating systems. Now it doesn't anymore.

Andres