ef="//nightlies.apache.org/flink/flink-docs-release-1.11/dev/stream/operators/windows.html#session-windows">gaps</a></p>
<center>
<img src="/img/blog/patterns-blog-3/evaluation-delays.png" width="600px" alt="Figure 2: Evaluation Delays"/>
<br/>
<i><small>Figure 2: Evaluation Delays</small></i>
</center>
<br/>
<p>Let&rsquo;s take an example of using a <a href="//nightlies.apache.org/flink/flink-docs-release-1.11/dev/stream/operators/windows.html#sliding-windows">sliding
window</a>
from Flink&rsquo;s Window A