@Configurable
 public void setSendfileEnable(boolean isEnable) {
   _config.setSendfileEnable(isEnable);
 }
 @Configurable
 public void setSendfileMinLength(Bytes bytes) {
   _config.setSendfileMinLength(bytes);
 }
 /** Sets the maximum executor (background) thread. */
 @Configurable
 public void setThreadExecutorTaskMax(int max) {
   _config.setThreadExecutorTaskMax(max);
 }
 /** Sets the maximum thread-based keepalive */
 @Configurable
 public void setThreadMax(int max) {
   _config.setThreadMax(max);
 }
 /** Sets the max wait time for shutdown. */
 @Configurable
 public void setShutdownWaitMax(Period waitTime) {
   _config.setShutdownWaitMax(waitTime);
 }
 /** Sets the minimum free memory after a GC */
 @Configurable
 public void setPermGenFreeMin(Bytes min) {
   _config.setPermGenFreeMin(min);
 }
 /** Sets the minimum free memory after a GC */
 @Configurable
 public void setMemoryFreeMin(Bytes min) {
   _config.setMemoryFreeMin(min);
 }