Easily View and Delete RAM or Disk Cache in Firefox

March 26, 2010 | Filed under Browser, Firefox, Privacy

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Firefox is the worlds most famous browser but when the cache takes up a lot of space, Firefox is going to start to crawl and take up few hundred MB off your memory. Firefox has two types of cache which is the RAM cache and disk cache. By default both disk cache and ram cache is enabled but for some weird reasons when our disk cache is full, it doesn’t automatically switch to ram cache. The only way we got ram cache to work is by disabling the disk cache and this really speeds up the browsing because images are stored in memory and they loads much faster compared to hard disk.

One way to monitor your disk cache and ram cache is by using an extension called Cache Status. After installation, it adds the a customizable presence to your browser window’s statusbar that gives you up-to-date information on your browser’s cache usage, both RAM and the hard drive. The presence also has a right-click context menu, where you can easily clear your browser’s cache. It can also automatically clean your cache when it reaches a specified level, through its Options.

view firefox ram and disk cache usage

Instead of meddling with the about:config to change the maximum RAM and disk cache, it can also be done from the addon Options. Firefox Cache Status addon is truly useful because it allows you to set the space for cache, clearing the cache with 2 clicks and provide the cache statistical information.




Comments

One Response to “Easily View and Delete RAM or Disk Cache in Firefox”
  1. inoob says:

    Thanks! This is precisely what I needed (auto empty on limit), since I found out that ‘clearing (the current session) on exit’ was too extreme, and consequently kind of purposely self defeating (on the obv speed up of previously access data)… Unless you’re some kind of privacy paranoid nut, of course. Alternately; it would’ve been nice to have an automatic clear on ‘n’ days pass (ala history) too.

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