"Larry Rosenman" <lrosenman(at)pervasive(dot)com> writes:
> I'd like to see a more concrete definition of what we
> want Autovacuum to output and at what levels.
I would argue that what people typically want is
(1) per-database log messages
(2) per-table log messages (including per-database)
The first problem is that (2) is only available at DEBUG2 or below,
which is not good because that also clutters the log with a whole lot of
implementer-level debugging info.
The second problem is that we don't really want to use the global
log_min_messages setting to determine this, because that constrains
your decision about how much chatter you want from ordinary backends.
I suggest that maybe the cleanest solution is to not use log level at
all for this, but to invent a separate "autovacuum_verbosity" setting
that controls how many messages autovac tries to log, using the above
scale. Anything it does try to log can just come out at LOG message
regards, tom lane
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