From: Troex Nevelin <firstname.lastname@example.org>
Subject: Re: Request queue length
Date: Sat, 12 Feb 2011 18:58:35 +0300 [thread overview]
Message-ID: <4D56AE2B.email@example.com> (raw)
On 02/12/2011 12:20 AM, Eric Wong wrote:
> Thin can hold multiple connections open in a single process (idle or
> doing I/O), but only execute the Rack app for one client at a time
> (unless you're using the non-standard "app.deferred?" stuff).
No I'm using any deferred stuff, I have delayed_job but this is other story.
> With Unicorn, you'll still see multiple active because all the worker
> processes share the same listener socket, but the active numbers
> will be smaller and capped at the number of worker processes you have.
> The queue is likely to be smaller if you're running multiple workers,
Currently I use thin 10 instances and pass 10 sockets to nginx. I forgot
that unicorn uses only one socket to communicate with frontend :)
What I really want to track with unicorn is to see how many clients are
really waiting in queue. I hope if I ran 10 unicorn instances and
monitor socket during peak load I'll see 10 active and the queue will be
the real queue :)
As you showed me above that thin can take requests 'on hold' and that is
why I didn't understand the active number bigger than 1 with thin.
I'll post the results here, when I migrate to unicorn.
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next prev parent reply other threads:[~2011-02-12 16:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-06 14:03 Request queue length Troex Nevelin
2011-02-06 19:02 ` Eric Wong
2011-02-11 19:52 ` Troex Nevelin
2011-02-11 21:20 ` Eric Wong
2011-02-12 15:58 ` Troex Nevelin [this message]
2011-02-26 13:12 ` Troex Nevelin
2011-02-26 20:40 ` Eric Wong
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