MongoUK - PHP Development

PHP Development David Mytton 1/24 david@boxedice.com / @davidmytton

Server Density Monitoring Processing Database UI 2/24 www.serverdensity.com

13 months ago 3/24 Why we moved: http://bit.ly/mysqltomongo

1. Install pecl install mongo 4/24

2. Connect $mongo = new Mongo(‘a.example.com,b.example.com’, array('persist' => '')); 5/24

2. Connect mongodb://[username:password@]host1 [:port1][,host2[:port2:],...]/db 6/24

Replica Pairs $mongo = new Mongo(‘a.example.com,b.example.com’, array('persist' => '')); 7/24

Replica Pairs = Failover Replica Pair Master A Slave A DC1 DC2 16GB RAM 16GB RAM Replica Pair Master B Slave B DC1 DC2 8/24 16GB RAM 16GB RAM

Persistent Connections $mongo = new Mongo(‘a.example.com,b.example.com’, array('persist' => '')); 9/24

Persistent Connections $mongo = new Mongo(‘a.example.com,b.example.com’, array('persist' => 'owl')); 10/24

db.stats() Documents 937,393,315 Collections 27,566 Indexes 45,277 Stored data 638GB Inserts 5000-8000/s 11/24 As of 17th Jun 2010.

3. Query $serversCollection = $mongo->selectCollection(‘servers’); $server = $serversCollection->findOne(array(‘os’ => ‘windows’), array(‘_id’, ‘name’, ‘ip’)); 12/24

Docs www.php.net/mongo 15/24

Abstraction/Map layers •ActiveMongo •Doctrine •Mango •Vork http://www.mongodb.org/display/DOCS/PHP+Language+Center 16/24

MongoDate MongoDB Equivalent new MongoDate() time() new MongoDate(strtotime(‘now’)) time() 17/24

MongoDate $from = new MongoDate(strtotime(‘2010-06-18 00:00:00’)); $to = new MongoDate(strtotime(‘2010-06-18 23:59:59’)); $collection->find(array(‘added’ => array('$gt' => $from, '$lte' => $to))); 18/24

MongoId $doc = $collection->findOne(array(‘_id’ => ‘4b74ae0d064b35442948da4c’)); 19/24

MongoId $id = new MongoId(‘4b74ae0d064b35442948da4c’); $doc = $collection->findOne(array(‘_id’ => $id)); 20/24

MongoId & remove() Slow(er): $collection->remove(array(‘key1’ => 5, ‘key2’ => 6)); Fast(er): $cursor = $collection->find(array(‘key1’ => 5, ‘key2’ => 6)); $while ($cursor->hasNext()) { $item = $cursor->getNext(); $key = new MongoId($cursor->key()); $collection->remove(array('_id' => $key)); } 21/24

Safe insert() $collection->insert($doc, array(‘safe’)); 22/24

Docs www.php.net/mongo 23/24

Slides blog.boxedice.com/mongodb David Mytton 24/24 david@boxedice.com / @davidmytton

MongoUK - PHP Development

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