Re: problems benchmarking php-fpm/proxy_fcgi with h2load

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which are the results exactly and which are the results to a non-php
file such as a gif or similar?

2018-01-19 12:38 GMT+01:00 Hajo Locke <Hajo.Locke@xxxxxx>:
> Hello list,
>
> i do some http/2 benchmarks on my machine and have problems to finish at
> least one test.
>
> System is Ubuntu16.04, libnghttp2-14 1.7.1, Apache 2.4.29, mpm_event
>
> I start h2load with standard-params:
>
> h2load  -n100000 -c100 -m10 https://example.com/phpinfo.php
>
> first steps are really quick and i can see a progress to 50-70%. but after
> that requests by h2load to server decrease dramatically.
> it seems that h2load ist stopping requests to server, but i dont see any
> reason for that on serverside. i can start a 2nd h2load and this is starting
> furious again, while the first one stucks with no progress, so i can't
> believe there is a serverproblem.
>
> all serverconfigs are really high, to avoid any kind of bottleneck.
>
> /etc/apache2/conf.d/limits.conf
> StartServers          10
> MaxClients          500
> MinSpareThreads      450
> MaxSpareThreads      500
> ThreadsPerChild      150
> MaxRequestsPerChild   0
> Serverlimit 500
>
> my test-vhost just has some default values like servername, docroot etc.
> additional there is the proxy_fcgi config
> <Proxy "unix:/dev/shm/php70fpm.sock|fcgi://php70fpm/">
>     ProxySet enablereuse=on flushpackets=On timeout=3600 max=1500
> </Proxy>
> <FilesMatch \.php$|\.php70$>
>    SetHandler "proxy:fcgi://php70fpm/"
> </FilesMatch>
>
> fpm-config also has high limits to serve every incoming connection:
> request_terminate_timeout = 7200
> security.limit_extensions = no
> listen = /dev/shm/php70fpm.sock
> listen.owner = myuser
> listen.group = mygroup
> listen.mode = 0660
> user = myuser
> group = mygroup
> pm = ondemand
> pm.max_children = 500
> pm.max_requests = 2000
> catch_workers_output = yes
>
> Currently i have no explanation for this. a really fast start and then
> decreasing to low-activity.  but i cant see that limits are reached or
> processes not respond.
> Possible to have a problem in h2load or a hidden problem in my
> configuration? Is there an other recommend way to do a h2-speedbenchmarking?
>
> before using proxy_fcgi i used the classical mod_fastcgi with
> fastcgiexternalserver and did not have this kind of problems. with
> mod_fastcgi the test could complete.
> Currently iam stumped and need a hint please.
>
> Thanks,
> Hajo
>
>
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-- 
Daniel Ferradal
IT Specialist

email         dferradal at gmail.com
linkedin     es.linkedin.com/in/danielferradal

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