From: Eric Wong <normalperson@yhbt.net>
To: unicorn list <mongrel-unicorn@rubyforge.org>
Subject: Re: [ANN] unicorn 3.0.0 - disable rewindable input!
Date: Sun, 21 Nov 2010 23:49:53 +0000 [thread overview]
Message-ID: <20101121234953.GA14970@dcvr.yhbt.net> (raw)
In-Reply-To: <AANLkTik-c4dJ82FzBNTvNWQtd-Z9-1==Wp_uLBdsPgoA@mail.gmail.com>
Jeremy Evans <jeremyevans0@gmail.com> wrote:
> On Sat, Nov 20, 2010 at 8:05 PM, Eric Wong <normalperson@yhbt.net> wrote:
> > Michael Guterl <mguterl@gmail.com> wrote:
> >> We've been using Unicorn 1.x very successfully for some time with a
> >> Rails 2.3 application. Would you recommend upgrading to Unicorn 3.x?
> >
> > Yes if you're running a recent Linux (>= 2.6.28), it might help somewhat
> > with performance (but may not be noticeable with a particular app).
> > I haven't done extensive benchmarking, but the reduction of syscalls
> > should help a bit, and newer versions will exploit some of that more.
<snip>
> > If you're willing to help iron out portability bugs to other kernels,
> > then please upgrade and report back :)
>
> Just an anecdotal data point here, using OpenBSD-current. Moving from
> Unicorn 1.0 to 2.0 sped up the scaffolding_extensions integration test
> suite by a factor of 3 (~10 seconds to ~3 seconds). I'm guessing this
> is due mainly to the use of kgio. Hoping to upgrade to Unicorn 3.0
> today.
Wow! I didn't expect that kind of performance improvement![1] What
is this test doing? I'm actually suspicious there could be a bug
somewhere in Unicorn or kgio causing wrong results :)
Let us know how 3.0 goes, thanks!
[1] - dalli reported 10-20%, which is closer to what I expected
(1-10%).
--
Eric Wong
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next prev parent reply other threads:[~2010-11-22 0:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-20 2:47 [ANN] unicorn 3.0.0 - disable rewindable input! Eric Wong
2010-11-20 17:50 ` Michael Guterl
2010-11-21 4:05 ` Eric Wong
2010-11-21 16:29 ` Jeremy Evans
2010-11-21 23:49 ` Eric Wong [this message]
2010-11-22 1:21 ` Jeremy Evans
2010-11-23 17:34 ` Michael Guterl
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