Le jeu. 10 janv. 2019 à 09:07, Mariel Cherkassky < mariel.cherkas...@gmail.com> a écrit :
> Hey, > It is clear that when we query some data, if that data isnt in the shared > buffers pg will go bring the relevant blocks from the disk to the shared > buffers. I wanted to ask if the same logic works with > dml(insert/update/delete). I'm familiar with the writing logic, that the > checkpointer is the process that writing the data changes into the data > files during every checkpoint and that the commit write the changes from > the wal buffers to to the wal files. I wanted to ask about a situation > where we run dmls and that data isnt available in the shared buffers. > > It works the same. -- Guillaume.