[GLLUG] Monitoring memory usage

[Martin Lee]

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
> <gllug at mailman.lug.org.uk> 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/
> 
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