Yeah just doesn&#x27;t sound plausible to me. I&#x27;ve seen bigger projects take less than a minute on a 2014 desktop.<p>For big prod builds you&#x27;ll definitely want to give the JVM at least 1gb of RAM, make sure you actually override Lein&#x27;s defaults:<p><pre><code>    :jvm-opts ^:replace [&quot;-Xmx1g&quot; &quot;-server&quot;]</code></pre>