Varnish is Running out of Control!

A slug walking across a keyboardMy servers now a days run Varnish simply for the speed. On my main site Varnish was getting out of control with the RAM / Memory usage. Varnish would slowly creep up and eat all the memory, even though I was trying to hack Varnish to only use 128MB of ram, especially since the site is hosted on a lowendbox by Frantech (Buyvm.net). The answer, which I am not really sure WHY it works, but inside of vcl_fetch in the /etc/varnish/*.vcl file, I had set beresp.grace to be 30M, I tried this with 2M as well, but ultimately I took out the grace period setting and now my box is running Varnish with Lighttpd and PHP-FPM getting around 15k-30k unique hits a day and not going over 156MB of RAM usage.… Read More

Hacking NGINX and PHP-FPM Running Debian

A guy trying to get NGINX / PHP-FPM working

Keeping logs is a part of system administration. For me, I keep my logs of items I have installed in my articles. This way I always have the instructions to reference when I need to look back and do other installs. Today I am writing about how to setup NGINX that uses PHP-FPM on Debian. This can be a faster alternative to FastCGI in that you set the number of instances it will always run and the max that PHP-FPM is allowed to run. PHP-FPM allows for more control making a PHP server lighter weight when the extra weight is not necessary.… Read More

Redmine on Debian 6 with Unicorn and NGINX

A unicorn with it's refelction in water.Redmine is perhaps my favorite Bug tracking, ticketing, wiki, forum, documentation software there is. My only complaint in the past about Redmine was the fact that you needed to use Passanger to run it (which is a RAM hog). Having a bunch of low end VPS’s (Virtual Private Servers) I decided to attempt hacking Redmine onto a 128MB Ram box. Well after doing my research I came upon a neat little trick, Unicorn. Unicorn is a webserver that we can use in place of Passanger to serve Redmine to NGINX, our main webserver. Time to gallop to the setup.… Read More

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