Re: Set log_line_prefix and application name in test drivers

On Wed, Sep 28, 2016 at 10:30 PM, Peter Eisentraut
<peter(dot)eisentraut(at)2ndquadrant(dot)com> wrote:
> On 9/28/16 6:13 PM, Robert Haas wrote:
>> Christoph/Debian:
>> log_line_prefix = '%t [%p-%l] %q%u(at)%d '
>> Peter:
>> log_line_prefix = '%t [%p]: [%l] %qapp=%a '
>
> I'm aware of two existing guidelines on log line formats: syslog and
> pgbadger. Syslog output looks like this:
>
> Sep 28 00:58:56 hostname syslogd[46]: some text here
>
> pgbadger by default asks for this:
>
> log_line_prefix = '%t [%p]: [%l-1] user=%u,db=%d,app=%a,client=%h '
>
> I don't know why it wants that "-1" there, and I'm actually not sure
> what the point of %l is in practice. Those are separate issues that are
> having their own lively discussions at times. I could drop the [%l]
> from my proposal if that causes concerns.
>
> On balance, I think my proposal is more in line with existing
> wide-spread conventions.

As long as we get %t and %p in there we're going to be way ahead, really.

--
Robert Haas
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