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Want to monitor system usage on my server - Grafana my best option? (lemmy.ml)

submitted 1 month ago by cyberwolfie@lemmy.ml to c/selfhost@lemmy.ml

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The number of containers I'm running on my server keeps increasing, and I want to make sure I'm not pushing it beyond its capabilities. I would like a simple interface accessible on my home network (that does not make any fishy connections out) that shows me CPU and RAM-usage, storage status of my hard drives, and network usage. It should be FOSS, and I want to run it as a Docker container.

Is Grafana the way to go, or are there other options I should consider?

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[–] ReversalHatchery@beehaw.org 6 points 1 month ago (2 children)

it's a bit more complicated than that. grafana is only for displaying of the collected info. you still need a database, and something that collects data from systems.

what I do is grafana + prometheus for storage + prometheusnode exporter for collection.
but, I'm not totally satisfied with this setup, because long term storage is unsolved (cranking up the retention time in prom will maje sure it'll cost a lot of storage after a few months), and I haven't found a way to collect info about top users of resources (e.g. top 10 processes by cpu usage)

[–] scott@lem.free.as 1 points 1 month ago

Victoria Metrics is a timeseries database for long term storage. Can be used as a direct plugin to Prometheus et al.

[–] cyberwolfie@lemmy.ml 1 points 1 month ago (1 children)

Ah, I see. What kind of disk usage are we talking about over e.g. one month? I am (at least for now) not necessarily interested in long term storage (but the data hoarder in me might quickly change that).

[–] ReversalHatchery@beehaw.org 1 points 1 month ago

I've set it up last December for 3 systems, changed the collection interval from the default 1 minute to 15 sec, and now it uses 15 GB