y is stored on a RAM disk, or when
        other shared memory facilities are not available.
       </p></dd><dt id="GUC-MIN-DYNAMIC-SHARED-MEMORY"><span class="term"><code class="varname">min_dynamic_shared_memory</code> (<code class="type">integer</code>)
      <a id="id-1.6.7.7.2.2.15.1.3" class="indexterm"></a>
      </span> <a href="#GUC-MIN-DYNAMIC-SHARED-MEMORY" class="id_link">#</a></dt><dd><p>
        Specifies the amount of memory that should be allocated at server
        startup for use by paral