On 2025-09-12 14:22:34 +0200, Markus Schönhaber wrote: > If you just want to see all "mail-related" messages with journalctl, you > can use > > $ journalctl --facility mail
Indeed, thanks a lot! > That doesn't help with journalctl's slowness if the journal has grown > big, of course. It actually helps *very much*. joooj% time journalctl -b --facility mail > /dev/null journalctl -b --facility mail > /dev/null 1.24s user 0.13s system 84% cpu 1.616 total joooj% time journalctl -b -u postfix\* > /dev/null journalctl -b -u postfix\* > /dev/null 3.79s user 28.51s system 26% cpu 2:02.46 total So "--facility mail" is here 75 times as fast as "-u postfix\*". -- Vincent Lefèvre <[email protected]> - Web: <https://www.vinc17.net/> 100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/> Work: CR INRIA - computer arithmetic / Pascaline project (LIP, ENS-Lyon)
