code: @Override
      public void purgePool() throws ResourceException {
          final boolean isTraceOn = TraceComponent.isAnyTracingEnabled();
  
          if (isTraceOn && tc.isEntryEnabled()) {
              Tr.entry(this, tc, "purgePool");
          }
  
          _pm.purgePoolContents();
  
          if (isTraceOn && tc.isEntryEnabled()) {
              Tr.exit(this, tc, "purgePool");
          }
      }
docs: This is called by the RRA only when db2 reroute is being used