[Mono-dev] NancyFX self hosting (HttpListener) locking up on linux

[Nikita Tsukanov]

Greg, I've tried running my server with mono compiled from master (with
pull request #703 merged in), still freezes after a while.


2013/8/7 Greg Young <gregoryyoung1 at gmail.com>

> Do you have our pull req? We are stable after (and seriously read history
> of this list)
>
>
> On Tuesday, August 6, 2013, Nikita Tsukanov wrote:
>
>> https://github.com/kekekeks/scgi-sharp - here is my SCGI server with
>> host for NancyFx. If you run Sandbox.exe with --echo-server it will not use
>> nancy infrastructure and will respond directly. It locks up after several
>> thousands of requests under jmeter.
>>
>> Simple nginx configuration:
>>
>> location /
>> {
>>    include /etc/nginx/scgi_params;
>>    scgi_pass 127.0.0.1:10081;
>> }
>>
>> Now I'm looking for alternative socket library to use it as a replacement
>> for System.Net.Sockets.
>>
>>
>> 2013/8/6 Greg Young <gregoryyoung1 at gmail.com>
>>
>> Actually not that surprised we also found out file stream.flush(true)
>> only works sometimes and ms never back supported it to actually work :)
>>
>>
>> On Tuesday, August 6, 2013, Alfred Hall wrote:
>>
>> **
>> Yeah you're having exactly the same issues as I am. I'm surprised others
>> haven't had this problem before. Not sure who works on this area of the
>> mono codebase these days. If you got a minimal test case it may be worth us
>> raising a Xamarin bug in bugzilla.
>>
>> -----Original message-----
>> *From:* Nikita Tsukanov <keks9n at gmail.com>
>> *Sent:* Tuesday 6th August 2013 20:18
>> *To:* mono-devel-list at lists.ximian.com
>> *Subject:* Re: [Mono-dev] NancyFX self hosting (HttpListener) locking up
>> on linux
>>
>> Running with mono from master haven't helped.
>>
>> And I'm not sure what the hell is going on, but I cann't reproduce the
>> issue when running under... Monodevelop's debugger. It runs perfectly under
>> it, but when I try to run the same binary from console (even with --debug
>> option) it locks up or segfaults. Does anyone know what does it mean?
>>
>>
>> 2013/8/6 Nikita Tsukanov <keks9n at gmail.com>
>>
>> Great. It locked up with my more complex logic.
>> Funny fact: NancyFx increases request processing time from 2ms to 70ms
>> with the same echo response.
>> Another funny fact: with MONO_DISABLE_AIO I've got segfault.
>>
>> Now I'll try to use build patched mono. Not sure that it's the same
>> issue, because in my case it never tries to read and write simultaneously
>>  on the same socket.
>>
>>
>> 2013/8/6 Greg Young <gregoryyoung1 at gmail.com>
>>
>> There are many cases the patch we provided does not affect eg no overlap
>> in io between send/receive
>>
>>
>> On Tuesday, August 6, 2013, Nikita Tsukanov wrote:
>>
>> Interesting... I've written a simple server using only
>> Socket.BeginRecieve and Socket.BeginSend. It just reads 100 bytes and then
>> sends hardcoded HTTP response. Now jmeter is working for 5 minutes and it
>> still responds with "Lorem ipsum ..." perfectly. I'll try to "port" my SCGI
>> server logic from NetworkStream to Socket and see what will happen.
>>
>>
>> 2013/8/6 "Andrés G. Aragoneses" <knocte at gmail.com>
>>
>> On 06/08/13 18:42, Nikita Tsukanov wrote:
>>
>> Ubuntu 13.04, Mono JIT compiler version 3.2.0 (tarball Tue Jul 30
>> 21:08:00 UTC 2013)
>>
>>
>> Mono 3.2.0 does *not* have Yuri's patch.
>>
>>
>>
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>>
>>
>>
>> --
>> Le doute n'est pas une condition agréable, mais la certitude est absurde.
>>
>>
>>
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>>
>
> --
> Le doute n'est pas une condition agréable, mais la certitude est absurde.
>
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