If we're talking TSDBs and monitoring, I have to mention https://prometheus.io/
There are plenty of exporters (components that expose metrics). node_exporter does everything mentioned in this thread so far, and https://github.com/cloudflare/psi_exporter is of interest for PSI specifically. On Wed, 23 Oct 2024, at 17:53, James Dutton via GLLUG wrote: > On Wed, 23 Oct 2024 at 17:03, Adam Monsen via GLLUG > <[email protected]> wrote: > > > Have you heard of PSI (Pressure Stall Information) -- > > https://docs.kernel.org/accounting/psi.html ? It's another "trailing > > indicator" (not a "leading indicator") but maybe that approaches something > > like one or a few useful longitudinal metrics in the manner you're seeking. > > Just to add a bit to Adam's email. Longitudinal metrics can also be > referred to time-series data. So one might use time series databases > to store them, such as influxdb. https://www.influxdata.com/ > > -- > GLLUG mailing list > [email protected] > https://mailman.lug.org.uk/mailman/listinfo/gllug >
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