From: Damian Janowski <jano-eWlILCNyKRBBDgjK7y7TUQ@public.gmane.org>
To: Eric Wong <normalperson-rMlxZR9MS24@public.gmane.org>
Cc: Rainbows! list <rainbows-talk-GrnCvJ7WPxnNLxjTenLetw@public.gmane.org>
Subject: Re: Out of band stuff?
Date: Tue, 10 Apr 2012 17:24:56 -0300 [thread overview]
Message-ID: <CABAijKG0srUSc4VEk35yd9jj1NAz9VJMqLZ3Uh_xeiObgTmXvw@mail.gmail.com> (raw)
In-Reply-To: <20120409030552.GA24089-yBiyF41qdooeIZ0/mPfg9Q@public.gmane.org>
On Mon, Apr 9, 2012 at 12:05 AM, Eric Wong <normalperson-rMlxZR9MS24@public.gmane.org> wrote:
> If you look at the `call' method in raindrops/watcher.rb, the important
> line is this:
>
> # @start is a Mutex and @thr is nil in the initialize method.
>
> -d7HPF+t6YlILr15SpQP/1rNAH6kLmebB@public.gmane.org { @thr ||= aggregator_thread(env["rack.logger"]) }
>
> I avoid starting the background thread at initialization because it'll
> die on fork (meaning I'd have to recheck it all the time, anyways).
>
> The overhead of Mutex#synchronize and @thr||= assignment is negligible
> in most apps.
One more question. Can you confirm that this technique doesn't work as
expected using Rainbows/ThreadPool? I've found that Rack::Builder
creates a new instance of each middleware on every request, so you'd
end up spawning infinite aggregator threads.
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next prev parent reply other threads:[~2012-04-10 20:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-06 21:49 Out of band stuff? Damian Janowski
[not found] ` <CABAijKERMfjWzz9d8RxneV9eRJYLY6uSfEb9DEbhJh3jKLJ__w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-04-09 3:05 ` Eric Wong
[not found] ` <20120409030552.GA24089-yBiyF41qdooeIZ0/mPfg9Q@public.gmane.org>
2012-04-09 13:04 ` Damian Janowski
[not found] ` <CABAijKEa3Z9ZBFS-jX8wcvqjZ14sxKsPMbuESRvZOeLhRNBiCQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-04-10 20:16 ` Eric Wong
2012-04-10 20:24 ` Damian Janowski [this message]
[not found] ` <CABAijKG0srUSc4VEk35yd9jj1NAz9VJMqLZ3Uh_xeiObgTmXvw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-04-10 20:37 ` Eric Wong
[not found] ` <20120410203743.GF25426-yBiyF41qdooeIZ0/mPfg9Q@public.gmane.org>
2012-04-11 1:20 ` Damian Janowski
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