of
        memory errors).  The default setting of 2.0 is often effective with
        mixed workloads.  Higher settings in the range of 2.0 - 8.0 or
        more may be effective in environments where
        <code class="varname">work_mem</code> has already been increased to 40MB
        or more.
       </p></dd><dt id="GUC-MAINTENANCE-WORK-MEM"><span class="term"><code class="varname">maintenance_work_mem</code> (<code class="type">integer</code>)
      <a id="id-1.6.7.7.2.2.8.1.3" class="indexterm"></a>