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Re: [libmicrohttpd] Epoll busy looping for HTTPS


From: Christian Grothoff
Subject: Re: [libmicrohttpd] Epoll busy looping for HTTPS
Date: Sun, 12 Apr 2015 21:52:50 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.5.0

Hi!

Thanks for the report, fixed in SVN 35532.

Happy hacking!

-Christian

On 04/12/2015 08:39 PM, address@hidden wrote:
> Hi,
> 
> I am doing test with HTTPS at low bit rate for large files using:
> wget -v --no-check-certificate --limit-rate=1000 https://....
> 
> When the MHD daemon is configured with MHD_USE_EPOLL_INTERNALLY_LINUX_ONLY, I 
> noticed that the thread takes 100% CPU, whereas
> the MHD_USE_POLL_INTERNALLY configuration show a normal CPU usage.
> 
> Adding logs I see that the busy loops takes place at daemon.c, line 2605 
> (0.9.38):
> daemon->eready_tail never gets NULL most probably due to connection.c, line 
> 2671 to 2721
> 
> Thanks,
> 
> Louis
> 



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