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Why might it take so long to start up a cleanly-stopped instance?
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* Why might it take so long to start up a cleanly-stopped instance?
@ 2024-12-14 18:28 Ron Johnson <[email protected]>
  2024-12-14 21:42 ` Re: Why might it take so long to start up a cleanly-stopped instance? Tom Lane <[email protected]>
  0 siblings, 1 reply; 2+ messages in thread

From: Ron Johnson @ 2024-12-14 18:28 UTC (permalink / raw)
  To: pgsql-admin

PG 14.15 on RHEL 7.9

This is a rather small system, and only one or two user connections existed
at the time.

$ 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

-- 
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!


^ permalink  raw  reply  [nested|flat] 2+ messages in thread

* Re: Why might it take so long to start up a cleanly-stopped instance?
  2024-12-14 18:28 Why might it take so long to start up a cleanly-stopped instance? Ron Johnson <[email protected]>
@ 2024-12-14 21:42 ` Tom Lane <[email protected]>
  0 siblings, 0 replies; 2+ messages in thread

From: Tom Lane @ 2024-12-14 21:42 UTC (permalink / raw)
  To: Ron Johnson <[email protected]>; +Cc: pgsql-admin

Ron Johnson <[email protected]> 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






^ permalink  raw  reply  [nested|flat] 2+ messages in thread


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