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Re: notification output bottleneck

From: Daniel Shahaf <d.s_at_daniel.shahaf.name>
Date: Thu, 30 Aug 2012 08:40:28 +0100

Johan Corveleyn wrote on Thu, Aug 30, 2012 at 09:11:08 +0200:
> On Wed, Aug 29, 2012 at 4:22 AM, Justin Erenkrantz
> <justin_at_erenkrantz.com> wrote:
> > On Tue, Aug 28, 2012 at 7:22 PM, Johan Corveleyn <jcorvel_at_gmail.com> wrote:
> >> Yep, redirecting to a file eliminates the bottleneck (almost the same
> >> as redirecting to NUL) (I ran it a couple of times to make sure the
> >> server cache was hot):
> >
> > FWIW, I've historically seen similar behavior on Unix platforms as
> > well - especially on machines with SSDs and a fast local network as
> > the stdout I/O to emit the notifications is the slowest part of the
> > system by far. -- justin
> Hmz, so contrary to what I thought it seems it's not only a problem on
> Windows. Is is as severe on *nix as on Windows? My export (w/ fast
> server over a LAN) was twice as fast when redirecting notifications to
> a file. Can somebody get some numbers on some unixy platform?
> But more to the point: anybody have a solution in mind? If it's not
> Windows-only then some Windows defines wont help of course.

Does not follow. Windows defines won't fix the Unix problem but might
fix the Windows problem.

> Buffering
> the output may be the only way to eliminate this bottleneck? What are
> the pros and cons, and how hard would that be? Any other ideas?
> --
> Johan
Received on 2012-08-30 09:41:05 CEST

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