this post was submitted on 07 Jul 2025
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So, I get that 256 is a base 2 number. But we're not running 8-bit servers or whatever here (and yes, I understand that's not what 8-bit generally refers to). Is there some kind of technical limitation I'm not thinking of where 257 would be any more difficult to implement, or really is it just that 256 has a special place in someone's heart because it's a base 2 number?
when writing somewhat low-level code, you always make assumptions about things. in this case, they chose to manage 256 entries in some array; the bound used to be lower.
but implicitly there's a tradeoff, probably memory / CPU utilisation in the server.
it's always about the tradeoff between what the users want, what is easier for you to maintain, what your infrastructure can provide, etc.