Cookbooks
Handling More Simultaneous Connections
If you have errors such as accept: too many open files.
in your logs, you may need to increase the maximum number of file descriptors allowed by the operating system. To do so, use the ulimit -n
command.
Example:
ulimit -n 100000
You may also be interested in spreading the load across several servers using the HA version.
To reproduce the problem, we provide a load test that you can use to stress your infrastructure.
Using NGINX as an HTTP/2 Reverse Proxy in Front of the Hub
NGINX is supported out of the box. Use the following proxy configuration:
server {
listen 443 ssl http2;
listen [::]:443 ssl http2;
ssl_certificate /path/to/ssl/cert.crt;
ssl_certificate_key /path/to/ssl/cert.key;
location / {
proxy_pass http://url-of-your-mercure-hub;
proxy_read_timeout 24h;
proxy_http_version 1.1;
proxy_set_header Connection "";
## Be sure to set USE_FORWARDED_HEADERS=1 to allow the hub to use those headers ##
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Host $host;
proxy_set_header X-Forwarded-Proto $scheme;
}
}