alt Hacker NewsIndeed, as I used to tell my ops colleagues when they pointed to RAM utilization graphs, "we paid for all of that RAM, why aren't we using it?"
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jasonfarnon • today at 12:05 AM
do you also say that about hdd space? about money in the bank?
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jcelerier • yesterday at 10:57 PM
because memory access performance is not O(1) but depends on the size of what's in memory (https://www.ilikebigbits.com/2014_04_21_myth_of_ram_1.html). Every byte used makes the whole thing slower.
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Because OoM errors are oh so fun.