Questions tagged [mpm-event]

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Increasing the amount of active websocket connections on Apache 2.4 (Task limits)

Currently, I am using mpm_event and I have increased the allowed amount of open files. It doesn't matter how high I set MaxRequestWorkers because of what appears to be a limit on the Apache2 process. ...
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32 views

MPM Event Apache - possible to limit connections per VirtualHost?

When I use MPM Event in Apache, is it possible to limit the number of connections per VirtualHost? For example the xyz.com domain has a DDoS attack, but the yxz.com domain located on the same server ...
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13 views

Unavailability issues with apache event: AH00486

I'm getting some unavailability issues while performing my JMeter tests against a mpm_event configured apache server. These are my cirrent limits: <IfModule mpm_event_module> ...
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18 views

Which mpm setting to use to limit the number of connections on Centos 7 apache

I am googling around and finding myself going down a rabbit hole and getting nowhere. My over all goal is to limit the number of connections that can be made at the same time to Apache on a Centos 7 ...
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11 views

Apache showing blank output for some rare random times if mod_mpm_event is selected

I have recently changed apache mpm module settings to mod_mpm_event but since after this change I randomly get blank page some times. Blank page problem is not showing every time. The precentage of ...
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20 views

Apache mpm-event not killing child process

Server Version: Apache/2.4.25. I am using apache as reverse proxy. I am not able to figure out why apache parent process not killing its childs when there are so many idle workers. Please help me to ...
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1answer
53 views

What do these sporadic floods of 301 GET log entries every mean?

I have a new CentOS7 web server running virtualmin. It hosts a new WordPress site that just went into production. Starting mid-day today, on the quarter hour, to the second, I am troubleshooting ...
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99 views

Apache too many child process - mpm_event caught SIGTERM shutting down

My Apache with ModSecurity, mod_evasive20 enabled occasionally geting crashed: These are glimpse of error log: [core:warn]**: child process 24709 still did not exit, sending a SIGTERM [core:error]**:...
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84 views

Apache httpd server-status interpretation of connstotal vs busyworkers with MPM Event

I am seeing a behaviour that makes our apache httpd servers unresponsive in production with very high connection concurrency. The servers are configured to use MPM Event mode. I am monitoring the ...
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220 views

Apache performance tuning for high traffic with MPM Event

I currently manage the following set of servers that serve about 700 web pages: SERVER 1 (WEB) Web server: Apache 2.4.29 with MPM Event PHP 7.2.22 CPU: Intel Xeon CPU E5-2673 v4 @2.30GHz (4 cores) ...
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241 views

Apache hangup with php-fpm

We are experiancing strange hangups on our webserver and I have trouble to find the underlying issue. We are using Apache with php-fpm on Centos (exact versions see below). Problem At some time (...
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44 views

Server still overload after changing from prefork mpm to event mpm

On Ubuntu 14 with Apache/2.4.7. It is 6 CPU cores with 16GB RAM from Linode.com. Even after changing to Event MPM it still is overloaded in the same way. Till noon it was stopping temporarily then ...
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38 views

How to calculate size of Apache process

Mine is Ubuntu 16 with 8GB RAM however it shows 2 GB free RAM using "free -m" I've converted from prefork to event MPM and PHP FPM. However today during peak time at 12 it received some 1000 or more ...
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534 views

PHP7.3-FPM with Apache: Unknown script request execution timed out

I configured Apache 2.4 MPM Event with PHP7.3-FPM on a pretty busy web server as follows: Timeout 90 <Proxy "unix:/run/php/php7.3-fpm.sock|fcgi://php-fpm"> ProxySet disablereuse=on timeout=...
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1answer
255 views

403 Forbidden on JS/CSS files after switching Apache to use Event MPM and php-fpm

(I see there are several existing questions about 403 errors and one or two of the rest of the parts of my configuration, but nothing that seems to match up to my exact situation that I've seen so far,...
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37 views

Increase in memory utilization after upgrading to httpd 2.4.34 from 2.4.23 for 7.2

We upgraded from httpd 2.4.23 to 2.4.32 . After upgrade, we noticed mpm module got changed from preforx to event in 2.4.23 $ /apps/httpd.2.4.23/bin/httpd -M | grep mpm mpm_prefork_module (...
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176 views

php.net discourages the use of threaded MPM in production with Apache 2

php.net discourages the use of threaded MPM in production with Apache 2. Use the prefork MPM, which is the default MPM with Apache 2.0 and 2.2. It doesn't mention anything about apache 2.4, I ...
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2answers
863 views

How to make apache and php use more memory?

I am working on one server having 16GB of RAM. It runs on Apache with php-fpm. The site hosted on this server is taking about 10 seconds to load. First I thought that it's a resources issue, but when ...
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1answer
744 views

Increasing the max execution time

Mine is Ubuntu 14 and I've enabled fpm-event with Apache. apachectl -V | grep -i mpm shows: Server MPM: event It seems those pages which take more than 30 seconds to execute I'm getting this ...
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1answer
1k views

SetEnv in htaccess file doesn't work with PHP-FPM

I'm moving from a prefork apache setup to event mode with php-fpm. In prefork mode, I can use SetEnv directives in an htaccess file like so: SetEnv CI_ENV testing And that value ends up in PHP: ...
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2answers
21k views

switch apache from prefork to event in Ubuntu 16, get php 7 working

Apache was running slow in production. After searching for answers for some time, I finally went to #apache IRC channel and the pros had me check the apache mode with this command: sudo apachectl -V ...
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1answer
2k views

Debian 8, Apache 2.4.10: Scoreboard is full, not at MaxRequestWorkers

Fresh install of Debian 8. After running my web server for a few minutes/hours, Apache2 stops working. I always get the error "Scoreboard is full, not at MaxRequestWorkers" from Apache2 error.log. ...
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7k views

(13) Permission denied on Apache CGI attempt

I have recently upgraded my Apache2 server, and am now unable to run a CGI app. My logs are showing (13) Permission denied unable to connect to cgi deamon after multiple tries I understand that the ...