Browser.cache.memory.capacity [better]

(system memory) the browser can use to store cached web content for rapid retrieval. mozillaZine Key Functions

Altering this value is a classic engineering trade-off between and resource contention . Browser.cache.memory.capacity

Users can modify browser.cache.memory.capacity to suit their specific needs. The values are measured in kilobytes (KB). (system memory) the browser can use to store

You can set this preference to any integer, which represents the cache size in kilobytes (KB) Google Groups (Default): Browser.cache.memory.capacity