So I was trying some settings of the Nginx PageSpeed module, but there was two settings that I couldn't set for some reason.
pagespeed NumRewriteThreads 2;
pagespeed NumExpensiveRewriteThreads 2;
For some reason these two settings always throw error when I try to restart or test my nginx config.
sudo service nginx restart
[FAIL] Restarting nginx: nginx failed!
When I test the file I get this:
"pagespeed" directive "NumRewriteThreads" not recognized or too many arguments in /etc/nginx/nginx.conf:40
nginx: configuration file /etc/nginx/nginx.conf test failed
My Nginx version is the following:
sudo /usr/sbin/nginx -v
nginx version: nginx/1.6.0
The settings appear in the PageSpeed docs as well, so I'm wondering if there's something I am missing to make them work.
https://developers.google.com/speed/pagespeed/module/system#tune_thread
I've entered a bug for this: ngx_pagespeed #728. I think it's just an oversight.