> Did Reddit overcome its rather serious persistence-side issues? Mostly by getting off of EBS > It seemed like the object-blob Postgres store was a disaster

> Did Reddit overcome its rather serious persistence-side issues? Mostly by getting off of EBS > It seemed like the object-blob Postgres store was a disaster Goodness no > then they brought in Cassandra which was initially used as a cache of sorts, but now is the primary point of contact for threads apparently? I don't know what "primary contact for threads" means, Cassandra doesn't really do IPC. Some datatypes are in Postgres (Links, Accounts) and some datatypes are in Cassandra (Votes, Saves/Hides). > There was Reddit downtime today (read-only mode), which is common. What's the usual cause of that sort of thing these days? I can't speak for today now that EBS is mostly out of the loop, but it used to be EBS issues on a DB master