title: Does the S3 BucketSizeBytes metric show bytes or bytes/day?
body: <p>The S3 Monitoring->Metrics  tab is labeled "BucketSizeBytes ( bytes / day )", which would mean that this shows the daily growth rate in bytes. </p>
  
  <p>However, from the content of the graph (first image below), I think that this simply shows the number of bytes. </p>
  
  <p>Further, the linked Cloudwatch chart  (second image below) has no "per day" indication. </p>
  
  <p>Does "/ day" not mean "per day" but just that the x-axis is in days?</p>
  
  <p><a href="https://i.stack.imgur.com/nG2WQ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/nG2WQ.png" alt="S3"></a></p>
  
  <p><a href="https://i.stack.imgur.com/sOEeB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/sOEeB.png" alt="Cloudwatch"></a></p>