Browser.cache.memory.capacity -
browser.cache.memory.capacity
The configuration setting is an advanced preference in Firefox-based browsers (accessible via about:config ) that manually determines the maximum amount of system RAM used for the memory cache. Core Functionality
In the early days of the web, dial-up speeds were the bottleneck. Today, the bottleneck is often how fast your computer can move data from storage to the screen. Browser.cache.memory.capacity
Real-time usage meter
In about:cache or dev tools, show: Memory cache: 48 MB / 96 MB (limit set by Dynamic Governor) browser
The value of browser.cache.memory.capacity is measured in kilobytes (KB). When Firefox starts, it allocates a portion of memory based on this value. As you browse the web, Firefox stores cache entries in this allocated memory. When the cache grows, Firefox uses a least-recently-used (LRU) algorithm to evict older cache entries to make room for new ones. In about:config , right-click → New → Integer
- In
about:config, right-click → New → Integer - Enter:
browser.cache.memory.capacity - Enter size in KB.