Reload the config file using SIGHUP

(written by Lawrence Krubner, however indented passages are often quotes)

Curious about this:

First, on the server side, you have to change max_matches settings in sphinx.conf, and restart the searchd. (With 0.9.9 and above, you can simply reload the config file using SIGHUP.)

I discovered this article, Reload That Config File.

Source