Re:How Silicon Valley destroyed Parler
by SideburnsOfDoom on Wednesday January 13, 2021 @05:59AM
(#25760520)
> Having monotonically increasing IDs for non-distributed systems removes the possibility of duplicate IDs.
In parler's case, having monotonically increasing ID typed as signed 32-bit integer _guaranteed_ duplicate IDs once they reached 2.1 billion unique items. This is well-known failure mode, and yet it took them by surprise.
Re:How Silicon Valley destroyed Parler
by h0l0cube on Wednesday January 13, 2021 @08:49AM
(#25761896)
Okay.. I concede, 32-bit is a rookie mistake. I didn't know that. Wow. Did they not account for millions of daily active users in a Twitter competitor...
In parler's case, having monotonically increasing ID typed as signed 32-bit integer _guaranteed_ duplicate IDs once they reached 2.1 billion unique items. This is well-known failure mode, and yet it took them by surprise.
https://twitter.com/adrianbowyer/status/1348761214428569602