this post was submitted on 03 Sep 2023
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Depending on implementation, the lookup should be indexed so the time difference would be very minimal on even large tables.
The cutest of storage could be a problem depending on how many wasted accounts exist, but even that should require a ton of accounts to make an impact.
Yeah, there's always room for a lot of implementation-dependent possibilities of good DB practices, but it's also possible for one mistaken PR approval to create exponential load.
In the case of FOSS where there might be fewer formal processes to catch errors, I like to err more heavily on the side of caution. If for no other reason than preventing surprise server scaling bills for the volunteer admins.
Also: if you are making throwaways, please consider donating time and/or cash to those instances.