title: MongoDB: Disk I/O % utilization on Data Partition has gone
body: <p>Last time I get alert from MongoDB Atlas:</p>
  
  <pre><code>Disk I/O % utilization on Data Partition has gone above 70 on nvme2n1 
  </code></pre>
  
  <p>But I have no any ideas how can I localize / query / index / part of code / problematic collection.</p>
  
  <p>In what way can I perform any analyze to find out problem root-cause? </p>