ettings that control resource utilization, such
         as <a class="xref" href="runtime-config-resource.html#GUC-WORK-MEM">work_mem</a>.  Resource limits such as
         <code class="varname">work_mem</code> are applied individually to each worker,
         which means the total utilization may be much higher across all
         processes than it would normally be for any single process.
         For example, a parallel query using 4 workers may use up to 5 times
         as much CPU time, memory, I/O ba