le="Direct link to The Challenges: Data Format and Storage">​</a></h2>
<p>One of the most critical design challenges was how to store feature data <strong>efficiently and consistently</strong>, especially in databases like <strong>Cassandra</strong> and <strong>Redis</strong>, which come with unique storage constraints.</p>
<p>We had to solve for three key requirements:</p>
<ul>
<li>
<h3 class="anchor anchorWithStickyNavbar_LWe7" id="feature-consistency">Feature Consistency<a href="#feature-consistency" c