On Mon, 2024-03-18 at 11:32 -0400, Greg Sabino Mullane wrote: > "It is advantageous if the WAL is located on a different disk from the > main database files. This can be achieved by moving the pg_wal directory > to another location (while the server is shut down, of course) and > creating a symbolic link from the original location in the main data > directory to the new location." > > This is not as important as it used to be, and I would even hazard to > say that we should not be encouraging it. There are still use cases for > doing so, yes, but "advantageous" is too much. I played with some wording, > but at the end of the day, I am thinking that we simply remove this > paragraph entirely.
I think it is still a good idea to put data files and WAL on different file systems. Perhaps not so much with the intention of distributing I/O across different disks, but to prevent the data files from filling the WAL disk. Yours, Laurenz Albe
