Hello Fedora,

I installed a new Fedora release last week and ran into a peculiar problem:

Each night I need to run computations through about 70.000 rows and
using PostgreSQL release 16.3 that took about 4 hours to complete, but using
release 16.9 the same computations now take about 8 hours to complete.

I've already submitted a bug report at bugzilla.redhat.com this
morning about differences in pg_config that showed up, but I would
also like to have a custom build in /usr/local.

However, if I build postgresql-16.9 with ./configure
--prefix=/usr/local; make -j32; make install, and modify the ExecStart
in my drop-in accordingly, systemctl start postgresql does not exit at
all. The journal tells me this:

started from /usr/bin:

Jul 20 11:21:21 r102.long4core.com systemd[1]: Starting
postgresql.service - PostgreSQL database server...
Jul 20 11:21:22 r102.long4core.com postgres[121322]: 2025-07-20
11:21:22 CEST  [121322] LOG:  redirecting log output to logging
collector process
Jul 20 11:21:23 r102.long4core.com systemd[1]: Started
postgresql.service - PostgreSQL database server.
Jul 20 11:21:23 r102.long4core.com audit[1]: SERVICE_START pid=1 uid=0
auid=4294967295 ses=4294967295 msg='unit=postgresql comm="systemd"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=?
res=success'

started from /usr/local/bin:

Jul 20 11:43:02 r102.long4core.com systemd[1]: Starting
postgresql.service - PostgreSQL database server...
Jul 20 11:43:03 r102.long4core.com postgres[123063]: 2025-07-20
11:43:03 CEST  [123063] LOG:  redirecting log output to logging
collector process

--- NOTHING ---

Jul 20 11:43:24 r102.long4core.com systemd[1]: postgresql.service:
Killing process 123065 (postgres) with signal SIGKILL.
Jul 20 11:43:24 r102.long4core.com systemd[1]: postgresql.service:
Deactivated successfully.
Jul 20 11:43:24 r102.long4core.com systemd[1]: Stopped
postgresql.service - PostgreSQL database server.
Jul 20 11:43:24 r102.long4core.com audit[1]: SERVICE_START pid=1 uid=0
auid=4294967295 ses=4294967295 msg='unit=postgresql comm="systemd"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=?
res=success'
Jul 20 11:43:24 r102.long4core.com audit[1]: SERVICE_STOP pid=1 uid=0
auid=4294967295 ses=4294967295 msg='unit=postgresql comm="systemd"
exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=?
res=success'
Jul 20 11:43:24 r102.long4core.com systemd[1]: postgresql.service:
Consumed 2.179s CPU time, 1.7G memory peak.

The very first time I ran it, it seemed to work, but since then I'm
not able to start postgres this way.

Help would be appreciated :)

Thanks,
Mischa.
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