On Fri, 2021-06-18 at 14:32 +0530, still Learner wrote: > A few days back (on 9th June) I have changed my log_rotation_size to 30 MB and on > the same day again reset to 500 MB. for few days it went well, from 15th June itself > generating only 30MB files. Now I have reset to 700 MB and reloaded, still am getting > the same size of log and the log file is also not rotating. > > -rw------- 1 postgres postgres 32885638 Jun 9 07:04 postgresql-2021-06-09_000000.log > -rw------- 1 postgres postgres 10765412 Jun 9 23:59 postgresql-2021-06-09_214301.log > -rw------- 1 postgres postgres 114219472 Jun 11 00:00 postgresql-2021-06-10_000000.log > -rw------- 1 postgres postgres 106193384 Jun 11 23:59 postgresql-2021-06-11_000000.log > -rw------- 1 postgres postgres 103008728 Jun 12 23:59 postgresql-2021-06-12_000000.log > -rw------- 1 postgres postgres 104213596 Jun 14 00:00 postgresql-2021-06-13_000000.log > -rw------- 1 postgres postgres 109578809 Jun 14 23:59 postgresql-2021-06-14_000000.log > -rw------- 1 postgres postgres 30847172 Jun 15 08:02 postgresql-2021-06-15_000000.log > -rw------- 1 postgres postgres 32452541 Jun 16 06:22 postgresql-2021-06-16_000000.log > -rw------- 1 postgres postgres 31439856 Jun 17 06:20 postgresql-2021-06-17_000000.log > -rw------- 1 postgres postgres 30859375 Jun 18 06:23 postgresql-2021-06-18_000000.log That looks just like you want. The log file never reached the size limit, so it never rotated. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com