Hi Riaan, You benefit from greater fault tolerance performance. Recovering from a crash/network outage is quicker/easier. On the downside you might see a reduction in transactions per second.
It's worth benchmarking. To see if the impact to tps is acceptable to live with. Jeremy On Mon, 2017-12-11 at 11:14 +0300, Sergei Kornilov wrote: > Hello! > > You need prepared transactions only if you need two-phase commit to > provide distributed atomic transaction on multiple different > databases. > If you not need distributed transactions - you not needed prepared > transactions at all. > But if you need distributed transactions - here is no more choice > regardless performance questions. > > As say in documentation https://www.postgresql.org/docs/current/stati > c/sql-prepare-transaction.html > > Unless you're writing a transaction manager, you probably shouldn't > > be using PREPARE TRANSACTION. > > Regards, Sergei >