Comment by bombela

I have been complaining about journald abysmal performances for almost as long as I can remember. Here is my latest documented benchmark from 2023, which was slightly better than the one I ran in 2020.

$ time journalctl > /tmp/all.log

real 1m11.364s user 0m52.299s sys 0m6.540s

$ time wc -l /tmp/all.log 3659597 /tmp/all.log

real 0m0.152s user 0m0.056s sys 0m0.096s

$ time journalctl | grep sshd | wc -l

12944

real 0m53.973s user 0m49.535s sys 0m5.210s

$ time grep sshd /tmp/all.log | wc -l 12944

real 0m0.429s user 0m0.332s sys 0m0.100s

https://github.com/systemd/systemd/issues/2460#issuecomment-...