This doesn't seem a fair comparison. Prometheus is statically linked like all Go applications, and those packages are not. You can debate the merits of that, bu

This doesn't seem a fair comparison. Prometheus is statically linked like all Go applications, and those packages are not. You can debate the merits of that, but if you compare a "only rsyslog" server vs a "only prometheus" server the 2 will be much closer in size.