Loki: include the component in metrics.go log line #5379
Merged
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What this PR does / why we need it:
When running the single binary or in SSD mode, it's essentially impossible to disambiguate metrics.go output from the querier executing a subquery and the accumulated result output by the frontend.
This PR introduces a component to the logger to easily tell which component is outputting the metrics.go stats
Special notes for your reviewer:
Checklist
CHANGELOG.md
about the changes.