from Hacker News

Everything You Know About MongoDB Is Wrong

by ayush--s on 11/19/20, 3:41 PM with 2 comments

• by spccdt on 11/22/20, 8:46 PM

  > “...But this is not the case! Some of these parts have never been the case - MongoDB has never been "eventually consistent" - updates are streamed and applied sequentially to secondary nodes, so although they might be behind, they're never inconsistent.”

  Isn’t this exactly what eventual consistency is? Or am I missing something? If a client performs a read query on the primary, followed by a second read on a secondary (perhaps because the primary server is unavailable), then it seems clear that there could be a chance of reading stale data.