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Re:On Redis master-slave terminology (2018) by luckylion on Saturday June 13, 2020 @11:07AM (#23509935)
You're right, master/slave and the new blacklist/whitelist demands did not have two years between them, not even this post is two years old.
Re:On Redis master-slave terminology (2018) by Pfhreak on Saturday June 13, 2020 @11:13AM (#23509977)
Both of those have been discussions for much longer than two years. There's at least a decade of discussions around those two examples.

Edit: closer to two decades - in 2003 LA asked electronics manufacturers not to use the language. Presumably this was first discussed by the community. In the mid aughts, Microsoft was using allowlist/deny list.

So, hardly a recent phenomena, and certainly not every two years. Yes, some projects have been faster or slower to adopt replacements for these terms, which is why you have seen a few discussions in the past few weeks on HN.