title: How can we collect performance metrics from CAdvisor docker container?
body: <p>Sorry I just started to learn docker. My question may seem stupid for some of you.
  In fact, I would like to know if there is a way to collect performance metrics from "CAdvisor" container (<strong>not from cgroup</strong>) <strong>at runtime</strong> ? I mean, extract performance values from the curves designed by cadvisor like memory usage or network traffic.
  I need to record this values and save them in a database so that, I can perform a statistic analyzes upon these generated values (like comparing memory consumption for two docker containers at t=50s).</p>
  
  <p>Thanks in advance.</p>