title: Gunicorn worker terminated with signal 9
body: <p>I am running a Flask application and hosting it on Kubernetes from a Docker container. Gunicorn is managing workers that reply to API requests.</p>
  <p>The following warning message is a regular occurrence, and it seems like requests are being canceled for some reason. On Kubernetes, the pod is showing no odd behavior or restarts and stays within 80% of its memory and CPU limits.</p>
  <pre><code>[2021-03-31 16:30:31 +0200] [1] [WARNING] Worker with pid 26 was terminated due to signal 9
  </code></pre>
  <p>How can we find out why these workers are killed?</p>