Short answer: The page sends one request, a time window or a line count, and lets the backend that holds the logs apply it. Docker‘s logs API and Loki‘s query_range both answer with a list of lines. Any further filter selects from that list. It does not start another…
Category: Loki
How Loki query responses are gzipped on the way to a log viewer
Short answer: Loki gzips query_range when frontend.compress_responses is true and the client sends Accept-Encoding: gzip. On 3.4.2 the help text for -querier.compress-http-responses says that default is true. It is not the value the process runs with. RegisterFlags then registers -frontend.support-parquet-encoding on that same bool, with default false, so gzip…