Hi Monks, i have some code that works pretty fine with MongoDB v0.705.0.0 : 
use Data::Dumper;
use DateTime::Format::Strptime;
use POSIX qw(strftime);
use MongoDB;
use Data::Structure::Util qw( unbless );
use strict;
use warnings;

my $mongoclient = MongoDB::MongoClient->new(
    host => '127.0.0.1', port => 27017
    );

my $db = $mongoclient->get_database('database');

my $collect = $db->get_collection('collection')->aggregate([
    {'$group' => {
        '_id' => {_path => '$path' , _ip => '$IP', _time => '$TIME'},
        '_count' => { '$sum' => 1},
        '_docs' => { '$push' => '$_id' }
     }    
    },
    { '$match' => {
        '_count' => { '$gt' => 1}
    }}
]);
my $mongo_aggregate = unbless $collect;
my @out = (@$mongo_aggregate);
print Dumper @out;

[download]
I receive a few thousand results what is expected and checked in database....so far so good...On another system with MongoDB v1.2.2 i receive only 101 results: 
use Data::Dumper;
use DateTime::Format::Strptime;
use POSIX qw(strftime);
use MongoDB;
use Data::Structure::Util qw( unbless );
use strict;
use warnings;

my $mongoclient = MongoDB::MongoClient->new(
    host => '127.0.0.1', port => 27017
    );

my $db = $mongoclient->get_database('database');

my $collect = $db->get_collection('collection')->aggregate([
    {'$group' => {
        '_id' => {_path => '$path' , _ip => '$IP', _time => '$TIME'},
        '_count' => { '$sum' => 1},
        '_docs' => { '$push' => '$_id' }
     }    
    },
    { '$match' => {
        '_count' => { '$gt' => 1}
    }}
]);
my $mongo_aggregate = unbless $collect->{'_docs'};
my @out = (@$mongo_aggregate);
print Dumper @out;

[download]
If i dump my $collect i found a hint that says: '_batch_size' => 101 I believe thats the point where im stucking. I dont know how to solve the issue nor i can fix that with documentation (as im advanced beginner). Can someone please shed some light on me, please. Thanks, regards,

In reply to Perl MongoDB Results and Version (batch_size??) by maikelnight

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