…hen all connections are highly active. It works best when many connections sit idle. Another reason the best use case is for analytics rather than massive OLTP.PgBouncer (or any sort of connection pooler) does not help when all connections are highly active.1Kenn EjimaDr. Abdullah J. AlgerFollowSep 22, 2018 · 1 min readThat’s not exactly true. For example, Twitch uses PostgreSQL for OLTP and pgBouncer. If 300,000 transactions per second is not massive, what is?!