I have a UDP server written in perl, I am trying to see the maximum load it can handle. I use a udp sender that reads a file and sends the message to the server , the server prints that message to the STDOUT.

When I send a burst of messages to the server I see some packets being dropped (netstat -su), I wanted to see how it works when I do the same in C and used This C program . When I run the C version it does not drop any message.

I thought the Perl socket used the underlying C libraries, So why does the perl version drop so many packets while the C version does not. Is there any way to make the perl version faster ?.

Here is the Perl version (example from Net::Server)

#!/usr/bin/perl

=head1 NAME

udp_server.pl - Simple sample udp echo server
=head1 SERVER SYNOPSIS
    perl udp_server.pl --log_level 3
    # default is to not background
=cut
package MyUDPD;
use strict;
use warnings;
use Data::Dumper;
my $port        =32000;
my $host        = '0.0.0.0';
my $recv_length = 8192; # packet size
use base qw(Net::Server::PreFork);

    ### run the server
    MyUDPD->run( port => "$host:$port/udp",
                 min_servers => 10,
                );
exit;

sub configure_hook {
  my $self = shift;

  ### change the packet len?
  $self->{server}->{udp_recv_len} = $recv_length; # default is 4096
  
}


sub process_request {
  my $self = shift;
  my $prop = $self->{'server'};
  print STDOUT $prop->{'udp_data'};
  
  return;

}
[download]

Thanks