Lennart Poettering
f0f2bf15b8
journald now implements io.systemd.Metrics on /run/systemd/report/io.systemd.JournalDaemon, via the new systemd-journald-metrics.socket, and reports the message counters as io.systemd.JournalDaemon.MessagesByPriority (field priority=) and io.systemd.JournalDaemon.MessagesByTransport (field transport=). Metrics requests are processed at a lower event loop priority than incoming log messages. For now only the main journald instance provides metrics, not the namespace instances. Like the audit socket, the metrics socket is not listed in Sockets= of the service, so that it can be disabled.
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