Re: [HACKERS] Upgrading postmaster's log messages about bind/listenerrors

On Tue, Mar 14, 2017 at 12:50:09PM -0400, Tom Lane wrote:
> I wrote:
> >> I think that what would actually be of some use nowadays is a LOG-level
> >> message emitted if the wraparound *isn't* activated immediately at start.
> >> But otherwise, we should follow the rule that silence is golden.
> 
> > Concretely, how about the attached?  It preserves the original
> > "protections are now enabled" message at LOG level, but emits it only
> > when oldestOffsetKnown becomes true *after* startup.  Meanwhile, if
> > oldestOffsetKnown is still not true at the conclusion of TrimMultiXact,
> > then it emits a new LOG message about "protections are not active".
> 
> I realized that the second of these is not necessary because it's
> redundant with the message about "MultiXact member wraparound protections
> are disabled because oldest checkpointed MultiXact %u does not exist on
> disk".  Pushed without that.

Gee, I kind of like the new messages:
LOG:  listening on IPv4 address "127.0.0.1", port 5432LOG:  listening on Unix socket "/tmp/.s.PGSQL.5432"

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com

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