<p><span class="h-card" translate="no"><a href="https://mementomori.social/@rolle" class="u-url mention">@<span>rolle</span></a></span> Yeah, it worked, but I had to click "save changes" about 50 times in quick succession.</p><p>My guess: Unlike posting a tweet, changing your username is just the kind of unusual operation that might involve distributed consensus (Paxos, Raft, etcd). It's entirely likely it could be handed off to a small 3-node cluster somewhere. It's also an expensive operation, so the whole thing is probably throttled (globally). </p><p>I'd bet even money the error message was actually related to that.</p>
