On Thu, May 12, 2022 at 11:12:54AM -0300, Euler Taveira wrote: OB> On Thu, May 12, 2022, at 11:03 AM, Bruce Momjian wrote: > > I looked at that but thought that everyone would already assume we > skipped replication of empty transactions, and I didn't see much impact > for the user, so I didn't include it. > > It certainly has an impact on heavy workloads that replicate tables with few > modifications. It receives a high traffic of 'begin' and 'commit' messages > that > the previous Postgres versions have to handle (discard). I would classify it > as > a performance improvement for logical replication. Don't have a strong opinion > if it should be mentioned or not.
Oh, so your point is that a transaction that only has SELECT would previously send an empty transaction? I thought this was only for apps that create literal empty transactions, which seem rare. -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com Indecision is a decision. Inaction is an action. Mark Batterson
