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From: Eric Wong <normalperson@yhbt.net>
To: unicorn list <mongrel-unicorn@rubyforge.org>
Subject: Re: listen backlog
Date: Thu, 2 Dec 2010 18:39:19 -0800	[thread overview]
Message-ID: <20101203023919.GA4411@dcvr.yhbt.net> (raw)
In-Reply-To: <AANLkTikJT29C36cBW6-evhAVVpJxbF09JiGo_b08aQGg@mail.gmail.com>

ghazel@gmail.com wrote:
> I found this thread
> http://rubyforge.org/pipermail/mongrel-unicorn/2009-September/000031.html
> after googling for the same error located in my nginx error log.
> Is there some way to discover the current queue length of the backlog?
> Increasing the maximum size to 2048 "worked" for me as well, but
> obviously clients sit in the queue for a long time. If I could monitor
> queue length I could get some idea of when I have insufficient unicorn
> workers before the delay gets very high or requests fail.

If you're using Linux, you can use Raindrops[1] to interrogate
via inet_diag or parse /proc/net/{tcp,unix} yourself.

You can run Raindrops separate/standalone script:

Or use it as middleware (see webpage):

git clone git://git.bogomips.org/raindrops

Eric Wong
Unicorn mailing list - mongrel-unicorn@rubyforge.org
Do not quote signatures (like this one) or top post when replying

  reply	other threads:[~2010-12-03  3:24 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-03  1:35 listen backlog ghazel
2010-12-03  2:39 ` Eric Wong [this message]
2010-12-03  5:31   ` ghazel
2010-12-03  7:35     ` Eric Wong
2010-12-03  9:16       ` ghazel
2010-12-03 21:49         ` Eric Wong
2010-12-03 22:49           ` ghazel
2010-12-04 23:48             ` Eric Wong
2010-12-05  0:02               ` ghazel

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