Postfix Notes

qshape

qshape

Graphing counts and Delays

cat postfix log to this.

delayovertime.pl

#!/usr/bin/perl -w

use strict;
use Data::Dumper;
use Date::Manip;
use Time::Local;
use List::Util qw(sum);

my %month;
$month{'Jan'} = 0;
$month{'Feb'} = 1;
$month{'Mar'} = 2;
$month{'Apr'} = 3;
$month{'May'} = 4;
$month{'Jun'} = 5;
$month{'Jul'} = 6;
$month{'Aug'} = 7;
$month{'Sep'} = 8;
$month{'Oct'} = 9;
$month{'Nov'} = 10;
$month{'Dec'} = 11;

my $y = "2013";
my $data;

while (<>){
 # print $_;
 chomp;
 my $totallines++;
 # if ( /(\d\d\d\d)-(\d\d)-(\d\d)\s(\d\d):(\d\d):(\d\d),(\d\d\d)(.*)/) {
 # Apr  4 04:37:05 sms-zimbra-mta-04 postfix/smtpd[5177]: disconnect from localhost.localdomain[127.0.0.1]
 if ( /(\w+)\s+(\d+)\s+(\d{2}):(\d{2}):(\d{2})\s+(.*)$/ ) {
  my $m = $month{$1};
  my $d = $2;
  my $h = $3;
  my $min = $4;
  my $sec = $5;
  my $rest = $6;
  #print "Year $y Month $m Date $d hour $h minute $min second $sec\n";
  my $time = timelocal($sec,$min,$h,$d,$m,$y);
  my $bucket = $time - $time%300;
  # print "Bucket is $bucket\n";
  if ( $rest =~ /\sdelay=(.+),\sdelays=(.*)$/ ) {
        # print "Found delay $1\n";
        push ( @ { $data->{$bucket}->{'arr'} } , $1 ) ;
   }
 }

}

# print Dumper ($data );

foreach my $bucket ( sort {$a <=> $b} keys % { $data } ) {
        # my $average = sum(@input) / @input;
        $data->{$bucket}->{'average'}  = sum ( @ { $data->{$bucket}->{'arr'} } ) / @ { $data->{$bucket}->{'arr'} };
        $data->{$bucket}->{'count'} = scalar ( @ { $data->{$bucket}->{'arr'} } ) ;
        print $bucket." ".$data->{$bucket}->{'count'}." ".$data->{$bucket}->{'average'}."\n";
}

send the result to gnuplot ( or excel )