From: Sam Saffron <sam.saffron@gmail.com>
To: unicorn list <mongrel-unicorn@rubyforge.org>
Subject: Re: Zero-downtime restarts while updating the environment?
Date: Sat, 4 Jan 2014 07:42:30 +1100 [thread overview]
Message-ID: <CAAtdryP0jVcWLG6sUOjeT3Sr2qZ5scc-AqKS1NOoGY2gCErCvg@mail.gmail.com> (raw)
In-Reply-To: <CAF5DW8K9u6tdreDpCqOz90w=NXF659CUnvOiiDRjH=-jiL961Q@mail.gmail.com>
cycling in and out of the load balancer is standard, you can also do
this: http://samsaffron.com/archive/2013/11/13/live-restarts-of-a-supervised-unicorn-process
On Sat, Jan 4, 2014 at 6:15 AM, Jonathan del Strother
<maillist@steelskies.com> wrote:
> Hi there,
> I recently ran into a problem where I had to update bundler from 1.3
> to 1.5 so that it recognised the "platforms:[ruby_21]" option in my
> Gemfile. However, Unicorn continued to use Bundler 1.3 when I
> re-exec'd it via USR2 (perhaps unsurprisingly), and so couldn't load
> my new gemfile until I completely restarted it.
>
> I ended up tweaking our balancers to funnel all our traffic to half
> our backend machines, restarted unicorn on the other half, then
> flipped the traffic to the first half and repeat. Is that the
> standard way of doing it, or is there a better way?
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next prev parent reply other threads:[~2014-01-03 20:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-03 19:15 Zero-downtime restarts while updating the environment? Jonathan del Strother
2014-01-03 20:42 ` Sam Saffron [this message]
2014-01-03 21:44 ` Eric Wong
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