Nginx performance data

James Read jamesread5737 at gmail.com
Fri Jan 7 13:36:04 UTC 2022


On Fri, Jan 7, 2022 at 1:13 PM Anoop Alias <anoopalias01 at gmail.com> wrote:

>
> https://www.nginx.com/blog/inside-nginx-how-we-designed-for-performance-scale/
>

Nice article. So the short answer is that Nginx does in fact use multiple
processes. Does anybody know what timeout is used in Nginx call to
epoll_wait()? Is there some heuristic for calculating the optimal timeout
on each iteration?

James Read


>
>
> On Fri, Jan 7, 2022 at 6:33 PM James Read <jamesread5737 at gmail.com> wrote:
>
>>
>>
>> On Fri, Jan 7, 2022 at 11:56 AM Anoop Alias <anoopalias01 at gmail.com>
>> wrote:
>>
>>> This basically depends on your hardware and network speed etc
>>>
>>> Nginx is event-driven and does not fork a separate process for handling
>>> new connections which basically makes it different from Apache httpd
>>>
>>
>> Just to be clear Nginx is entirely single threaded?
>>
>> James Read
>>
>>
>>>
>>> On Wed, Jan 5, 2022 at 5:48 AM James Read <jamesread5737 at gmail.com>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> I have some questions about Nginx performance. How many concurrent
>>>> connections can Nginx handle? What throughput can Nginx achieve when
>>>> serving a large number of small pages to a large number of clients (the
>>>> maximum number supported)? How does Nginx achieve its performance? Is the
>>>> epoll event loop all done in a single thread or are multiple threads used
>>>> to split the work of serving so many different clients?
>>>>
>>>> thanks in advance
>>>> James Read
>>>> _______________________________________________
>>>> nginx mailing list
>>>> nginx at nginx.org
>>>> http://mailman.nginx.org/mailman/listinfo/nginx
>>>
>>>
>>>
>>> --
>>> *Anoop P Alias*
>>>
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>>
>> _______________________________________________
>> nginx mailing list
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>
>
>
> --
> *Anoop P Alias*
>
> _______________________________________________
> nginx mailing list
> nginx at nginx.org
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