Heikki Linnakangas <hlinn...@iki.fi> writes: > I spoke with some folks at PGCon about making PostgreSQL multi-threaded, > so that the whole server runs in a single process, with multiple > threads. It has been discussed many times in the past, last thread on > pgsql-hackers was back in 2017 when Konstantin made some experiments [0].
> I feel that there is now pretty strong consensus that it would be a good > thing, more so than before. Lots of work to get there, and lots of > details to be hashed out, but no objections to the idea at a high level. > The purpose of this email is to make that silent consensus explicit. If > you have objections to switching from the current multi-process > architecture to a single-process, multi-threaded architecture, please > speak up. For the record, I think this will be a disaster. There is far too much code that will get broken, largely silently, and much of it is not under our control. regards, tom lane