UC-MAX-PARALLEL-MAINTENANCE-WORKERS" class="id_link">#</a></dt><dd><p>
         Sets the maximum number of parallel workers that can be
         started by a single utility command.  Currently, the parallel
         utility commands that support the use of parallel workers are
         <code class="command">CREATE INDEX</code> only when building a B-tree index,
         and <code class="command">VACUUM</code> without <code class="literal">FULL</code>
         option.  Parallel workers are taken from the poo