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→In-Memory LRU Cache
The '''ModPagespeedLRUCacheByteLimit''' is the limit on how large a cache entry the LRU cache will accept. Unlike the ModPagespeedLRUCacheKbPerProcess value, this setting is in BYTES, not KB. A value of 16384 is 0.015 MB. Generally you want to keep the max size down low to avoid wasted space in the LRU cache. If you set this to say, 1MB then all the LRU caches might be constantly removing items like images because nothing else can fit in the LRU, this cache should be for small stuff, not large stuff.