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Questions tagged [cadvisor]

Google cAdvisor (Container Advisor) provides container users an understanding of the resource usage and performance characteristics of their running containers. It is a running daemon that collects, aggregates, processes, and exports information about running containers.

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Memory usage discrepancy: cgroup memory.usage_in_bytes vs. RSS inside docker container

"Kubernetes" (v1.10.2) says that my pod (which contains one container) is using about 5GB memory. Inside the container, RSS is saying more like 681MiB. Can anypony explain how to get from 681MiB to 5GB with the following data (or describe how to…
burnettk
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How can I alert for container restarted?

I like to monitor the containers using Prometheus and cAdvisor so that when a container restart, I get an alert. I wonder if anyone have sample Prometheus alert for this.
qingsong
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How to monitor java application memory usage in Docker

I run the java web application on tomcat in the Docker container. Is there any way to monitor the memory usage of the java application? I try to use jconsole with the process id of the docker, but it tells me Invalidate process id I also enable JMX…
Browny Lin
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relationship between container_memory_working_set_bytes and process_resident_memory_bytes and total_rss

I'm looking to understanding the relationship of container_memory_working_set_bytes vs process_resident_memory_bytes vs total_rss (container_memory_rss) + file_mapped so as to better equipped system for alerting on OOM possibility. It seems against…
Noobie
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How to get number of pods running in prometheus

I am scraping the kubernetes metrics from prometheus and would need to extract the number of running pods. I can see container_last_seen metrics but how should i get no of pods running. Can someone help on this?
MAG
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cAdvisor prometheus integration returns container_cpu_load_average_10s as 0

I have configured Prometheus to scrape metrics from cAdvisor. However, the metric "container_cpu_load_average_10s" only returns 0. I am able to see the CPU metrics under the cAdvisor web UI correctly but Prometheus receives only 0. It is working…
aries
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Prometheus cAdvisor docker monitoring

I've setup a docker monitoring stack using Prometheus, Grafana and cAdvisor. While using this query to get running containers: count_scalar(container_last_seen{name=~container1|container2}) It picks up the containers allright, as soon as i launch a…
A.Jac
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Memory and CPU usage definition in docker cadvisor

How can you define the memory usage metric provided by google cadvisor in docker? Is it dynamic stack size, heap requirement, cache misses, code size, swap memory or RAM memory? as well for cpu cumulative usage, in which measure unit it is…
staticx
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container_memory_rss relation with node memory used

I'm trying to make sense of container_memory_rss or container_memory_working_set_bytes with respect to node_memory_used i.e (node_memory_MemTotal_bytes - node_memory_MemAvailable_bytes) Here what I meant PROMQL 1: sum(container_memory_rss) by…
Noobie
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Missing labels in prometheus alerts

I'm having issues with Prometheus alerting rules. I have various cAdvisor specific alerts set up, for example: - alert: ContainerCpuUsage expr: (sum(rate(container_cpu_usage_seconds_total[3m])) BY (instance, name) * 100) > 80 for: 2m labels: …
dywan666
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Docker stats shows different data compared to cadvisor

I have 2 Docker containers running on Centos machine for Docker memory monitoring purpose, I have installed "cadvisor" on the machine via Docker images when I compare "Docker stats" and "cadvisor" value then I see that cadvisor shows more memory…
Devendra
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Docker - Prometheus container dies immediately

I have cadvisor running with port mapping 4000:8080 and I have to link it with a container with prometheus. My prometheus.yml is: scrape_configs: # Scrape Prometheus itself every 2 seconds. - job_name: 'prometheus' scrape_interval: 2s …
SegFault
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How can I use Jackson to parse JSON with variable object names?

Google's cAdvisor API gives JSON output like this: { /system.slice/docker-13b18253fa70d837e9707a1c28e45a3573e82751f964b66d7c4cbc2256abc266.scope: {}, /system.slice/docker-747f797d19931b4ef33cda0c519f935b592a0b828d16b8cafc350568ab2c1d28.scope:…
jordanpg
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Prometheus CPU Usage Histogram Metrics

my goal is to observe metrics (like CPU, Memory usage etc.) with Prometheus on a server and on its running docker containers. Before sending an alarm, I would like to compare the certain values of those metrics with e.g. an 0.95 quantile. However,…
ilya21
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Alert if a docker container stops

I'm monitoring several containers using Prometheus, cAdvisor and Prometheus Alertmanager. What I want is to get an alert if a container goes down for some reason. Problem is if a container dies there is no metrics collected by the cAdvisor. Any…
Christian Will
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