title: CPU/Mem usage for cron jobs on GCP K8S while not running
body: <p>I have setup a cron job on GCP Kubernetes. It runs once per day at 10:00am.
  The job runs as expected however, I don't really understand what the charts say on the GCP K8S console.</p>
  
  <p><a href="https://i.stack.imgur.com/cwXb4.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/cwXb4.png" alt="enter image description here"></a></p>
  
  <p>As shown in the charts, there are around 1.5 CPU and 8G RAM at this point, when the cron job is not running. I expect the current usage should be zero as it is <strong>not</strong> running. </p>
  
  <p>Could anyone see what is wrong? or I read the charts wrong?</p>
  
  <p>Note I do retain 7 jobs in the history. Each job ran about 15sec and completed successfully.</p>
  
  <pre><code>State:          Terminated
    Reason:       Completed
    Exit Code:    0
    Started:      Thu, 08 Mar 2018 04:00:56 +0000
    Finished:     Thu, 08 Mar 2018 04:01:09 +0000
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/HhLA8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/HhLA8.png" alt="enter image description here"></a></p>
  
  <p>20180320 EDIT:
  I found all graphs from other cron jobs all look the same. Is it something I setup wrong?</p>
  
  <p><a href="https://i.stack.imgur.com/sMTkQ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/sMTkQ.png" alt="enter image description here"></a>
  <a href="https://i.stack.imgur.com/lJN0q.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/lJN0q.png" alt="enter image description here"></a></p>