Mongo faster than MongoClient [closed] - php

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Mongo::__construct is deprecated following php.net, and it's faster 3 times than MongoClient!!
Try it yourself, run the below code which insert 1M docuements, it will finish in ~20 sec the replace mongo with mongoClient which will finish in ~180 sec
<?php
function mongo_connect($db, $collection) {
$mongo = new Mongo( 'mongodb://localhost' );
return $mongo->$db->$collection;
}
$mongodb='notificator1';
$mongocollection='tok';
$collection= mongo_connect($mongodb, $mongocollection);
echo $time = microtime(true). "\n";
$i=0;
while ( $i < 1000000 ) {
$row = Array('title' => "test #$i");
$collection->save($row);
++$i;
}
echo microtime(true) - $time;
?>
replace mongo_connect:
function mongo_connect($db, $collection) {
$m = new MongoClient('mongodb://localhost:27017');
$db = $m->selectDB($db);
return $collection = new MongoCollection($db, $collection);
}

Answer 1

Mongo is faster but that IS NOT A GOOD THING.
But the answer to your actual question is in the code:
$mongo = new Mongo( 'mongodb://localhost' );
The default write concern of Mongo is 0 which means it won't bother to check if the write actually worked whereas MongoClient will.
Here is a good post that explains the differences between Mongo and MongoClient form one of the mantainers of PHP and the MongoDB Driver: http://derickrethans.nl/mongoclient.html .
Now, you may be wondering why we are replacing Mongo with MongoClient across the board. The biggest reason is that the new class will have acknowledged writes on by default