[Info-vax] Apache + mod_php performance

[Chris Townley]

On 27/09/2024 17:06, Arne Vajhøj wrote:
> On 9/26/2024 11:44 AM, Dan Cross wrote:
>> In article <vd1u8j$3qqpg$1 at dont-email.me>,
>> Arne Vajhøj  <arne at vajhoej.dk> wrote:
>>> It must be Apache.
>>>
>>> Apache on VMS is prefork MPM. Yuck.
>>>
>>> MaxSpareServers 10 -> 50
>>> MaxClients 150 -> 300
>>>
>>> actually did improve performance - double from 11 to 22
>>> req/sec.
>>>
>>> But the system did not like further increases. And besides
>>> these numbers are absurd high to handle a simulator doing requests
>>> from just 20 threads.
>>>
>>> But not sure what else I can change.
>>
>> My guess is that communications overhead is slowing things down.
>> What happens if you set these super low, ideally so there's a
>> single process handling requests, then see what sort of QPS
>> numbers you get for your trivial text file.
> 
> I set it down to 1.
> 
> 0.1 req/sec
> 
> Note that even if it had performed great then it would not
> have been a solution because the real thing the PHP scripts
> has significant latency when interacting with external database
> so parallelization is a must.
> 
> Arne
> 

I would have thought you would have done something with Java, then used 
tomcat

-- 
Chris