The containerized EGroupware environment is configured for 100-200 users by default.
Size of shared memory used for the cache (APCu)
By default a size of 128 MB is used. Current usage can be checked under Administration > PHP Information > View APCu stats
To set a higher amount, you need to add / uncomment the following environment Variable in /etc/egroupware-docker/docker-compose.override.yml
service:
egroupware:
environment:
- EGW_APC_SHM_SIZE=256M
and rebuild the egroupware container with:
/etc/egroupware-docker
docker-compose up -d
Number of processes PHP FPM starts/keeps to serve incoming requests
If you regularly see the following message in the log of your egroupware container (docker logs -f egroupware):
WARNING: [pool www] seems busy (you may need to increase pm.start_servers, or pm.min/max_spare_servers), spawning N children, there are 0 idle, and M total children
- Copy the
www.conf configuration file out of the container (replace 8.2 with the used PHP version!):
docker cp egroupware:/etc/php/8.2/fpm/pool.d/www.conf /etc/egroupware-docker/
- Increase - eg. double - the values for
pm.start_servers, pm.min_spare_servers and pm.max_spare_servers:
vi /etc/egroupware-docker/www.conf
- Modify your /etc/egroupware-docker/docker-compose.override.yml to mount the file into your container (replacing the original file):
vi /etc/egroupware-docker/docker-compose.override.yml
services:
egroupware:
volumes:
- /etc/egroupware-docker/www.conf:/etc/php/8.2/fpm/pool.d/www.conf:ro
Indention in YAML files must be done with space (no tabs!) and the indention matters!
- Restart your egroupware container with the new config:
cd /etc/egroupware-docker
docker-compose up -d
Number of connections in Nginx servers
EGroupware Nginx and our Push server has a limit of 1024 concurrent connections (Nginx proxy on Host under Ubuntu 20.04 only 768!).
To allow a higher number eg. 4096 in our example you need to make the following changes:
- Modify /etc/nginx/nginx.conf and restart Nginx with:
nginx -s reload
events {
#worker_connections 768;
worker_connections 4096;
# multi_accept on;
}
# we proxy, so each client connection (worker_connections) need 2 file-handles (worker_rlimit_nofile)!
worker_rlimit_nofile 8192;
- Copy /etc/nginx/nginx.conf from the egroupware-nginx container to /etc/egroupware-docker/egroupware-etc-nginx.conf:
docker cp egroupware-nginx:/etc/nginx/nginx.conf /etc/egroupware-docker/egroupware-etc-nginx.conf
- Modify /etc/egroupware-docker/egroupware-etc-nginx.conf
events {
#worker_connections 1024;
worker_connections 4096;
# multi_accept on;
}
# we proxy, so each client connection (worker_connections) need 2 file-handles (worker_rlimit_nofile)!
worker_rlimit_nofile 8192;
- Add the modified file as volume to the Nginx container by modifying /etc/egroupware-docker/docker-compose.override.yml
service:
nginx:
volumes:
- /etc/egroupware-docker/egroupware-etc-nginx.conf:/etc/nginx/nginx.conf
Indention in YAML files must be done with space (no tabs!) and the indention matters!
- Add the following environment variable for our push-server to /etc/egroupware-docker/docker-compose.overreide.yml:
service:
push:
environment:
- EGW_MAX_PUSH_USERS=4096
- Reload/rebuild the containers:
cd /etc/egroupware-docker
docker-compose up -d
Tuning of MariaDB container
You can add your modifications to /etc/egroupware-docker/mariadb.cnf and restart the container.
