Moving mod_pagespeed’s file-based cache into RAM
Google's mod_pagespeed does a great job at optimising web resources such as HTML, JS, CSS and even images.
I use it on a lot of customer production sites as a great partner to APC cache for super fast web sites.
I won't go into details on how it works, if you're reading this, you already know!
mod_pagespeed caches resources to disk. If you are running on a heavily loaded server or a VPS, disk IO is a premium.
So we should really cache to memory, its faster, cheaper and easy to set up.
Put this in /etc/fstab, please change the uid & guid to the appropiate user & group of your apache webserver, and the path to your needs. Feel free to change the size (here it is 256Mb) and set to use the httpd user.
Save it, and after that mount the tmpfs:
mod_pagespeed will now be even faster!
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