ngx_http_upstream_fair_module - sends an incoming request to the least-busy backend server, rather than distributing requests round-robin.
Example:
upstream backend {
server server1;
server server2;
fair;
}Note
This module is not distributed with the NGINX source. See the installation instructions.
| Syntax: | fair |
|---|---|
| Default: | none |
| Context: | upstream |
Enables fairness.
| Syntax: | upstream_fair_shm_size size |
|---|---|
| Default: | 32k |
| Context: | main |
Size of the shared memory for storing information about the busy-ness of backends. Defaults to 8 pages (so 32k on most systems).
This module is not distributed with the NGINX source. You can browse its :github:`git repository <gnosek/nginx-upstream-fair/tree/master>` or download the tar ball
After extracting, add the following option to your NGINX ./configure command:
--add-module=path/to/upstream_fair/directoryThen make and make install as usual.