an introduction to mongodb by césar trigo #openexpoday 2014

César Trigo EstebanBackend Development DirectorTwitter: @CesarTrigoEs

www.mongodbspain.comTwitter: @MongoDBSpain

An Introduction to

1 What is MongoDBOVERVIEW

World Wide leading NoSQL Databasethat allows companies to be more agile and scalable

1. Improving the customer experience

2. Allowing schemes to change quickly to adapt easily to changes

3. Enabling Big-Data

4. Accelerating time to market

5. Reducing costs

2 What is MongoDBWHO IS USING MONGODB

More at: www.mongodb.com/customers

3 What is MongoDBCOMMUNITY

7Million +Downloads

200k +Education Registrations

30k +MongoDB User Group Members

Fastest-growing community in Big Data

4 What is MongoDBDEFINITION

MongoDB is a ...

… database

❖ Open source

❖ Document oriented

❖ Non-relational & Schema-less

❖ Scalable

❖ High performance

❖ Full featured

MongoDB Main FeaturesOPEN SOURCE

Source and supported drivers are open source and hosted at Github:

https://github.com/mongodb

Supported drivers for most programming languages

4.1



What is MongoDBDEFINITION

MongoDB is a ...

… database

❖ Open source




❖ Scalable

❖ Full featured

5

5.1 MongoDB Main FeaturesDOCUMENT ORIENTED

● JSON-like format (BSON) documents as independent units

● Makes it easier to distribute data across multiple servers

● Natural object mapping due to JSON Objects

databasedatabase

collectiontable

documentrow

SQL Term MongoDB Term

SQL to MongoDB

fieldcolumn

embedding & linkingjoin


MongoDB is a ...

… database

❖ Open source



❖ Scalable


❖ Full featured

6

MongoDB Main FeaturesNON-RELATIONAL & SCHEMA-LESS

User Hobbies

Addresses

Relational Databases (RDBMS) Data Model

6.1


User

Hobbies

Addresses

With MongoDB we can store related content in

the same document

Non-Relational Data Model

6.2


User Info- name - creation- nick - ...- age

Hobbies

Addresses

db.user.findOne();{

_id: objectId("535c56cbdf1790f4e1c80074"),name: "César Trigo",nick: "CesarTrigo",age: 25,creation: ISODate("2014-04-27T01:00:59.448Z"),hobbies: ["coding", "football", "basket"],address:[{

street: "Calle Serrano",number: 127,city: "Madrid"

},{

street: "Avenida Diagonal",city: "Barcelona"

}],}

coding basket

address address

MongoDB Document

6.3

football


User Info- name - creation- nick - ...- age

Hobbies

Addresses

db.user.findOne();{

_id: objectId("535c56cbdf1790f4e1c80074"),name: "César Trigo",nick: "CesarTrigo",age: 25,creation: ISODate("2014-04-27T01:00:59.448Z"),hobbies: ["coding", "football", "basketball"],address:[{

street: "Calle Serrano",number: 127,city: "Madrid"

},{

street: "Avenida Diagonal",city: "Barcelona"

}],}

coding footbal basket

address address

MongoDB Document

6.3


MongoDB is a ...

… database

❖ Open source



❖ Scalable


❖ Full featured

7

MongoDB Main FeaturesSCALABLE

Replication: provides redundancy and high data availability

Primary

Secondary

Secondary

DRIVER

APP

write

readAsynchronousReplication

● Automated replication and failover

● Multi-datacenter support

● Data durability and consistency

7.1

MongoDB Main FeaturesSCALABLE

Sharding: Storing data records across multiple machines to meeting the demands of data growth

Shard 1 Shard 2 Shard 3 Shard N

● Increase capacity as you grow reducing the amount of data that each server needs to store

● Reduces the number of operations each shard handles

● Automatic balancing of data

...

7.2

MongoDB Main FeaturesSCALABLE INFRASTRUCTURE

Application

Driver

Query Router Query Router

Primary

Secondary

Secondary

Primary

Secondary

Secondary

Primary

Secondary

Secondary

Primary

Secondary

Secondary

Shard 1 Shard 2 Shard 3 Shard N

...

...

7.3


MongoDB is a ...

… database

❖ Open source



❖ Scalable


❖ Full featured

8

MongoDB Main FeaturesHIGH PERFORMANCE

vs

Better data locality In-memory caching Atomic operations

8.1

Relational MongoDB

MongoDB Main FeaturesHIGH PERFORMANCE

Driver

Secondary

Secondary

Write Concern: customizable write concerns for Replica Sets

Primary

write

replicate

replicate

respo

nse

apply

apply

Write operation to a replica set

Write to the primary and at least one secondary

8.2


MongoDB is a ...

… database

❖ Open source



❖ Scalable


❖ Full featured

9

● Geospatial indexes to support geographic data structures

● GeoJSON support

● 2d support for Flat / Euclidean plane distance calculation

MongoDB Main FeaturesFULL FEATURED

Geospatial features

9.2

A solution for the real Worldbecause the Earth is not flat!

2d Sphere Indexes: provides spherical geometry support for Earth-like sphere

distance calculation

MongoDB Main FeaturesFULL FEATURED9.2

MongoDB Main FeaturesFULL FEATURED9.3


Real time Aggregation: Aggregations are operations that process data records and return computed results

9.3

Aggregation Pipelines

The pipeline provides efficient data aggregation using native operations within MongoDB

Map-Reduce

Uses custom JavaScript functions to perform the map and reduce operations, as well as the optional finalize operation.


MongoDB Management Service

● Server status monitoring

● Custom, metric-based alerting

● Fully managed backups

● Activity and logging viewers

● Automation coming soon

9.4

[email protected]@CesarTrigoEs

@MongoDBSpain

MongoDB Spain www.mongodbspain.com

www.gigigo.com

César Trigo EstebanBackend Development Director

an introduction to mongodb by césar trigo #openexpoday 2014

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