Re: Why might it take so long to start up a cleanly-stopped instance?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Ron Johnson <ronljohnsonjr(at)gmail(dot)com>
Cc: pgsql-admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Why might it take so long to start up a cleanly-stopped instance?
Date: 2024-12-14 21:42:52
Message-ID: 1472806.1734212572@sss.pgh.pa.us
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Ron Johnson <ronljohnsonjr(at)gmail(dot)com> writes:
> $ pg_ctl stop -wt9999 && pg_ctl start -wt9999
> waiting for server to shut down........... done
> server stopped
> waiting for server to
> start.................................................................................................................................................................................................................................2024-12-14
> 13:21:10.820 EST 24567 00000 LOG: 00000:
> redirecting log output to logging collector process
> 2024-12-14 13:21:10.820 EST 24567 00000 HINT:
> Future log output will appear in directory "/var/log/postgresql".
> 2024-12-14 13:21:10.820 EST 24567 00000 LOCATION:
> SysLogger_Start, syslogger.c:674
> . done
> server started

That's quite odd: the delay evidently happens before SysloggerStart,
which is done mighty early. Perhaps strace'ing the start would yield
insight.

regards, tom lane

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