From: Jamis Buck <jgb3@...>
Date: 2004-09-01T12:04:46+09:00
Subject: Re: Two issues with webrick - both threading & OS related

rdlugosz.1044583@bloglines.com wrote:
> --- ruby-talk@ruby-lang.org wrote:
> 
>>Actually, that works on all the platforms
> 
> I've >tried.
> 
>>What doesn't work (on some platforms) is >requesting a
> 
> /sleep while 
> 
>>another /sleep is in progress.  The second sleep >will block,
> 
> waiting for 
> 
>>the first.
> 
> 
> Yes, requesting a different servlet (such as
> /greet) while sleep is processing works fine on all platforms for me as well.
>  And FWIW, the versions on one of the redhat boxes was compiled by hand, the
> other from RPM.
> 
> The problem is that /sleep is blocking all other calls
> to /sleep.  Jamis: could you try that?  Just make several requests to /sleep
> pretty quickly - do each of your requests all end at about the same time,
> or are their completions each ten seconds apart?

Just tried it with several nearly-concurrent requests to /sleep, and 
they all terminated at about the same time. :(

> 
> I agree that the problem
> seems "person-specific", but between Jim, myself, and another guy there's
> three people and probably 7 or 8 platforms showing the same results. 

Very strange, indeed. I'm just using the Gentoo ebuild for the 
bleeding-edge Ruby package. Can anyone else using Gentoo duplicate the 
problem? I'll admit I'm coming a bit late to this thread: has anyone 
identified the similarities in the systems among those who have seen 
this problem?

- Jamis

> 
> The
> behavior we're seeing is similar to what you would expect from a Java servlet
> implementing SingleThreadModel (IIRC).
> 
> Thanks again to all who are helping
> with this!
> -Ryan
> 
> 
> .
> 


-- 
Jamis Buck
jgb3@email.byu.edu
http://www.jamisbuck.org/jamis

"I use octal until I get to 8, and then I switch to decimal."