Browser.cache.memory.capacity

Taming the Memory Beast: How to Tweak browser.cache.memory.capacity

• Memory theft: Every megabyte used by the memory cache is a megabyte not available for your active tabs, extensions, or other applications.
• Garbage collector pressure: Firefox's JavaScript garbage collector has to scan the cache, potentially causing micro-stutters.
• Diminishing returns: A 512 MB cache does not make Facebook load twice as fast as a 256 MB cache. Once the critical path is cached, extra space holds rarely-used assets.

He looked at the art gallery. Beautiful, but massive. Gigabytes of texture data flooding the LRU (Least Recently Used) list.

sets a limit on the size of any single file allowed into the memory cache to prevent one large file from hogging all allocated space. Mozilla Support recommended manual values for specific RAM capacities like 8GB or 16GB?