title: Magento 1.9 minicart not showing product
body: <p>I had currently  upload  my project to new server. On new server i installed varnish . I am adding a product to cart but it is not showing a product into cart. </p>
  
  <p>Is it due to varnish ? </p>
  
  <pre><code>&lt;reference name="cart_sidebar"&gt;
      &lt;action method="setEsiOptions"&gt;
          &lt;params&gt;
              &lt;access&gt;private&lt;/access&gt;
              &lt;flush_events&gt;
                  &lt;sales_quote_save_after/&gt;
              &lt;/flush_events&gt;
              &lt;registry_keys&gt;
                  &lt;current_category/&gt;
              &lt;registry_keys&gt;
          &lt;/params&gt;
      &lt;/action&gt;
  &lt;/reference&gt;
  </code></pre>