Healthchecks
cadvisor
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Healthchecks | cadvisor | |
---|---|---|
207 | 44 | |
7,119 | 16,146 | |
2.0% | 1.0% | |
9.6 | 7.2 | |
5 days ago | 5 days ago | |
Python | Go | |
BSD 3-clause "New" or "Revised" License | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Healthchecks
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Webhooks suck, but here are alternatives
In fact, your platform (https://healthchecks.io/) is a prime example of where running customer wasm would be really excellent.
Instead of sending webhooks out to customer configured URLs, you could run a Wasm environment to execute customer code. Off hand, a good use case here is to do further inspection of the event before it gets sent off to some other system - maybe there are cases where you send false-positives and needlessly trigger external system alerts. The customer Wasm could do more introspection on the healthcheck event and make a more informed decision about how to proceed.
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What do you use for external monitoring?
i use healthchecks.io and have been very happy
with Uptime Kuma and healthchecks.io, you can do everything. Uptime Kuma to monitor "services" (web server, database), and healthchecks to monitor punctual jobs (backup jobs, etc)
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Ask HN: How do you monitor your systemd services?
If you are ok with a Saas and if it's just scheduled jobs that you are monitoring, there are a number of monitoring tools where you tell when job completes (with a http request) and a missing ping (after a grace period) means that it failed.
I think https://deadmanssnitch.com/ may have been the original service for this.
https://healthchecks.io/ has a fairly generous free tier that I use now.
There are others that do the same thing Sentry, Uptime Robot, ...
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Show HN: Peeng – like Pingdom, but the other way around and simpler
A service in a very similar vein is https://healthchecks.io/ - which also provides a nice perspective on how low-effort the setup for a service with a substantial amount of users can be. https://news.ycombinator.com/item?id=31488910
The blog also contains a bunch of useful information and guides around the topic, including various unusual configurations (arduino/esp8266) as well as information on self-hosting.
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Detecting and alerting for power failures
i use https://healthchecks.io/ and highly recommend it.
You can use a service like https://healthchecks.io/ for example. There is an article describing the idea here: https://www.signl4.com/blog/monitoring-still-alive-heartbeat-check/.
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Uptime site monitor - notification solutions for home while sleeping
i like healthchecks.io
cadvisor
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List of your reverse proxied services
cAdvisor
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Prometheus JMX Exporter for Java17
For CPU and memory metrics, you can use cAdvisor to collect container level data.
- How to monitor container exit codes?
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Building a realtime performance monitoring system with Kafka and Go
We could have used a much more focussed tool like Prometheus or Cadvisor to gather system stats, but that is not the main objective of this article.
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Looking for an open source monitoring solution that will capture specific process info
If you're running things under systemd, you can enable process accounting and use cAdvisor.
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Kubernetes Monitoring: Strategy, Best Practices, and Tools to Use
Container Advisor (cAdvisor) is an open-source metrics collection agent specifically built for containers. This solution runs at a node level, since it comes integrated with the kubelet service as one of the binaries. cAdvisor gathers data on CPU usage, memory usage, network status, and storage for every live container, helping administrators gain insight into machine-level performance metrics.
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How to monitor the network usage of docker containers
That said, cadvisor should work great. You'd want to have prometheus scrape those metrics. In particular you'd probably be interested in container_network_receive_bytes_total and container_network_transmit_bytes_total. Reference: https://github.com/google/cadvisor/blob/master/docs/storage/prometheus.md
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Métricas cAdvisor no Kubernetes com Prometheus e Grafana
cAdvisor é um agente de monitoramento para containers e tem suporte nativo ao Docker.
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9 Tools Every Platform Engineer Should Know
cAdvisor, an observability tool, has made monitoring containers easy. It gives users insight into the resource consumption and performance aspects of their running containers. cAdvisor is an open-source running daemon that aggregates processes and exports information about containers that are running. It saves resource isolation settings, historical resource consumption, histograms of total historical resource usage, and network data for each container. This information is exported by container as well as machine-wide.
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Metrics for OOM kills
cAdvisor: container_oom_events_total
What are some alternatives?
node_exporter - Exporter for machine metrics
kube-state-metrics - Add-on agent to generate and expose cluster-level metrics.
uptime-kuma - A fancy self-hosted monitoring tool
Netdata - Monitor your servers, containers, and applications, in high-resolution and in real-time.
Zabbix - Real-time monitoring of IT components and services, such as networks, servers, VMs, applications and the cloud.
Portainer - Making Docker and Kubernetes management easy.
prometheus - The Prometheus monitoring system and time series database.
gatus - ⛑ Automated developer-oriented status page
Grafana - The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
docker-socket-proxy - Proxy over your Docker socket to restrict which requests it accepts
Sentry - Developer-first error tracking and performance monitoring