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From "Lu, Yingqi" <>
Date Thu, 14 May 2015 23:47:16 GMT
Thank you very much for your help, Yann!

All, please test the patch and vote for us if you like it :-)


-----Original Message-----
From: Yann Ylavic [] 
Sent: Thursday, May 14, 2015 4:45 PM
To: httpd

Hi Yingqi,

2 votes already (on 3), it makes its way ;)


On Fri, May 15, 2015 at 1:00 AM, Lu, Yingqi <> wrote:
> Hi All,
> I just want to check if anyone gets chances to check the SO_REUSEPORT patch? Any feedback?
> Thanks,
> Yingqi
> -----Original Message-----
> From: Lu, Yingqi []
> Sent: Friday, May 08, 2015 8:58 AM
> To:
> Hi Christophe, Jim and Yann,
> Thank you very much for your consideration of putting SO_REUSEPORT patch in the 2.4 stable
> I am also very happy that you find the white paper :-) All the most recent testing results
are included in the white paper. Also, we have tested the (graceful) restart on the patch
(previously, there was a bug.), it should be fine now. Please test it to confirm.
> Please let me know if you need anything else. Your help is appreciated.
> Thanks,
> Yingqi
> -----Original Message-----
> From: Yann Ylavic []
> Sent: Friday, May 08, 2015 5:02 AM
> To: httpd
> Subject: Re: SO_REUSEPORT
> On Fri, May 8, 2015 at 9:44 AM, Christophe JAILLET <>
>> Maybe, 2.4.14 could focus on reviewing/merging this patch and 
>> associated performance improvement?
>> To help adoption, maybe an ASF server could be upgraded with a 
>> SO_REUSEPORT patched version of Apache to have our own measurements 
>> and see how it scales in a real world application.
> I did some testing with an injector at the time of the proposal (on a 2.2.x version of
the patch, so mainly with worker), and can confirm that it really scales much better.
> Where httpd without SO_REUSEPORT stops accepting/handling connections, it continues to
shine with the option/buckets enabled.
> (I don't have the numbers for now, need to search deeper, btw the ones 
> from Intel are probably more of interest...)
> So regarding the upgrade on infra, the difference may not be obvious if the tested machine
is not "at the limits".
> One thing that probably is worth testing is (graceful) restarts, though.
> Regards,
> Yann.
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