MongoDB KNPLabs GeekTime

Transcript

2. from "hu_mongo_us"
3. Who is behind MongoDB company formerly 10gen company http://www.mongodb.org/
4. Who to follow MongoDB @MongoDB Eliot @eliothorowitz Jeremy Mikola @jmikola @MongoHQ @MongoLab @ObjectRocket
6. DATABASE LANDSCAPE
7. JSON/BSON
8. JS console ➜ bin ./mongo MongoDB shell version: 2.6.3 connecting to: test > var a = 10 > var b = 20 > a + b 30 >
9. Entities Relational DB MongoDB database database table collection row document index index primary key _id Sharding partition shard partition key shard key
10. Special _id type 5033ea5c e84df1 110f 000001 Timestamp Hostname PID Sequence 12-byte, binary string Easily generated in cluster environments Timestamp prefix useful for sorting
11. Document Example { "_id": 1, "title": "Praesent ante dui", "body": "Lorem ipsum…", "author": { "name": "Bob", "email": "bob@example.com" }, "comments": [ { "body": "Morbi libero erat…", "author": { "name": "John", "email": "john@example.com" } }, { "body": "Dapibus quis…", "author": { "name": "Tom", "email": "tom@example.com" } } ], "tags": [ "luctus", "rhoncus" ] }
13. Document model Flexible schemas Scalability and performance Features (aggregation, geo, GridFS) MONGODB: THE GOOD PARTS
14. Limited atomicity Consistency is a trade-off Query language limitations Concurrency (improving) MONGODB: THE BAD PARTS
15. mongod mongo Binaries mongos mongodump mongorestore mongoexport mongoimport
16. DEMO TIME
17. Replication
18. Sharding
19. Aggregation Framework
20. Questions?