title: NextJS 10 with Material UI compiling too slow
body: <p>I have a project with many components, but event if I work on isolated components when I save the file and NextJS compile it takes too long. My develop time is affected by this issue.</p>
  <p>I run 4 GB of RAM, but it is still slow</p>
  <pre><code>cross-env NODE_OPTIONS=&quot;--max_old_space_size=4096&quot; next
  </code></pre>
  <p>How can I solve this issue ?</p>
  <p>What are the possible problems ?</p>