Thank you Adrian.
Is the on/off on a regular interval? > My guess is a script(cron possibly) is trying to start the server. > > Yes, It is regular interval. No Con-jobs scheduled on server or even remotely. > > > We did not find any references in logs. > > The information: > > sudo /etc/init.d/postgresql11 start > Starting PostgreSQL: ok > aklaver@ranger:~> -2019-08-20 13:40:30.097 PDT-0FATAL: lock file > "postmaster.pid" already exists > -2019-08-20 13:40:30.097 PDT-0HINT: Is another postmaster (PID 1694) > running in data directory "/usr/local/pgsql11/data"? > > Is sent to the starting process and does not make it to the server log > as the server is not started(the 'Starting PostgreSQL' notwithstanding). > > I have verified startup.log and regular postgresql logs also, i did not found above messages. Thanks, Chiru
