nt updates:</p>
<ul>
<li><strong>Ad-hoc jobs</strong> computed features in higher frequency</li>
<li>These jobs pushed to both <strong>Kafka</strong> and <strong>S3</strong>  (S3 preserved historical data for future model training)</li>
</ul>
<h2 class="anchor anchorWithStickyNavbar_LWe7" id="the-challenges-data-format-and-storage">The Challenges: Data Format and Storage<a href="#the-challenges-data-format-and-storage" class="hash-link" aria-label="Direct link to The Challenges: Data Format and Storage" tit