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https://collectd.org/ does the gathering (and writing to RRDTool database, if you so desire) part very well. Many plugins, easy to add more (just return one line of text)
Still need RRD viewere but that's not a huge stack
And it scales all the way to hundreds of hosts, as on top of network send/receive of stats it supports few other write formats aside from just RRD files.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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I was recently looking for an ultra minimal monitoring solution for OpenWrt and other lightweight devices, and was disappointed not to find one that met my needs.
I ended up hacking together a shell script to send data to Home Assistant which runs on pretty much any system that has netcat: https://github.com/roger-/hass-sysmon
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You can easily put together something that will send UDP packets with stats at regular intervals. I’ve done that a number of times - https://github.com/rcarmo/raspi-cluster/blob/master/tools/se...
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I was also overwhelmed by Grafana and co. In the time required to install it, i coded a simple monitoring alternative DMSR "Does My Shit Run" in python. Each agent has plugins which basically just sends a data structure to the monitoring server, which will display it as yaml. No persistence, history, graphs or similar. uMon looks like a behemoth in comparison.
Github: https://github.com/dobin/dmsr
Live: https://mon.yookiterm.ch
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hey - I work on ML at Netdata (disclaimer).
We have a big PR open and under review at moment that brings in a lot more logs capabilities: https://github.com/netdata/netdata/pull/13291
We also have some specific logs collectors too - i think in here might be best place to look around at the moment, should take you to the logs part of the integrations section in our demo space (no login needed, sorry for the long horrible url, we adding this section to our docs soon but at moment only lives in the app)
https://app.netdata.cloud/spaces/netdata-demo/rooms/all-node...
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we are in process of getting the plugin signed at the moment: https://github.com/netdata/netdata-grafana-datasource-plugin
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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openobserve
🚀 10x easier, 🚀 140x lower storage cost, 🚀 high performance, 🚀 petabyte scale - Elasticsearch/Splunk/Datadog alternative for 🚀 (logs, metrics, traces, RUM, Error tracking, Session replay).
I have used https://github.com/openobserve/openobserve in several hobby projects and liked it. It's an all-in-one solution. It's likely less featureful than many others but a single binary and everything in one place pulled me in and worked for me so far.
Not affiliated, I just like the tool.
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Did you try VictoriaMetrics [1] and vmagent [2]? It is a single self-contained binary without external dependencies. It requires relatively low amounts of CPU, RAM, disk space and disk IO, and it runs on ARM.
[1] https://github.com/VictoriaMetrics/VictoriaMetrics/
[2] https://docs.victoriametrics.com/vmagent.html
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signoz
SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool
Zabbix was cool till 2015, now its better to use https://gitlab.com/mikler/glaber/ or https://signoz.io/.
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Zabbix was cool till 2015, now its better to use https://gitlab.com/mikler/glaber/ or https://signoz.io/.
