From: Eric Wong <e@80x24.org>
To: Valentin Mihov <valentin.mihov@gmail.com>
Cc: "Bráulio Bhavamitra" <braulio@eita.org.br>,
unicorn-public <unicorn-public@bogomips.org>
Subject: Re: Master hooks needed
Date: Fri, 3 Oct 2014 17:50:42 +0000 [thread overview]
Message-ID: <20141003175042.GA30986@dcvr.yhbt.net> (raw)
In-Reply-To: <CAC=mCcmx1yTiU0XRP+gDJ7qHECEK9GT7ZOK57bbDG3K-OX6H4Q@mail.gmail.com>
Valentin Mihov <valentin.mihov@gmail.com> wrote:
> On Fri, Oct 3, 2014 at 3:22 PM, Eric Wong <e@80x24.org> wrote:
> > Bráulio Bhavamitra <braulio@eita.org.br> wrote:
> > > Both operations I currently do (server warm up and old pid kill) need
> > > to be run only once, and not for every worker as before_fork does,
> > > that's why I had to put the condition seen above.
> >
> > rack.git also has a Rack::Builder#warmup method. Aman originally
> > proposed it for unicorn, but it's useful outside of unicorn so
> > we moved it to Rack.
>
> Isn't it much better to do the warmup in an initializer instead in
> unicorn? This way you can preload_app=true and the master will execute
> the warmup code and fork. Killing the old pid is probably stopping you
> from do that, right?
Right, that's exactly what Rack::Builder#warmup does with
preload_app=true. If by "initializer" you mean within the application,
the problem was it lacked the visibility of the entire Rack middleware
stack which Rack::Builder has.
ref:
http://bogomips.org/unicorn-public/m/571f2d6c6f4b8df644bd84f069fafa5bde3cde2e
http://bogomips.org/unicorn-public/m/20130923105807.GA24712%40dcvr.yhbt.net
next prev parent reply other threads:[~2014-10-03 17:50 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-03 11:34 Master hooks needed Bráulio Bhavamitra
2014-10-03 12:22 ` Eric Wong
2014-10-03 12:36 ` Valentin Mihov
2014-10-03 17:50 ` Eric Wong [this message]
2014-10-03 18:12 ` Valentin Mihov
2014-10-04 0:53 ` Bráulio Bhavamitra
2014-10-04 1:22 ` Eric Wong
2014-10-04 1:35 ` Bráulio Bhavamitra
2014-10-04 1:57 ` Eric Wong
2014-10-04 2:04 ` Bráulio Bhavamitra
2014-10-04 2:25 ` Eric Wong
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