1. Outline
Introduction
Dive-in
Scaling
MongoDB
Ashish Mishra
June 16, 2013
Ashish Mishra MongoDB

2. Outline
Introduction
Dive-in
Scaling
1 Introduction
Introduction
MongoDB
2 Dive-in
Features
3 Scaling
Sharding
Replication
Ashish Mishra MongoDB

3. Outline
Introduction
Dive-in
Scaling
Introduction
MongoDB
Introduction
MongoDB (from ”humongous”) is a scalable, high-performance,
open source, schema free, document no-sql oriented database
Ashish Mishra MongoDB

4. Outline
Introduction
Dive-in
Scaling
Introduction
MongoDB
NoSql
1 (NO) SQL
2 (NO) RDBMS
3 (NO) ACID
Ashish Mishra MongoDB

5. Outline
Introduction
Dive-in
Scaling
Introduction
MongoDB
Why?
1 focus on scaling, speed, performance and flexibility
Ashish Mishra MongoDB

6. Outline
Introduction
Dive-in
Scaling
Introduction
MongoDB
Why?
1 focus on scaling, speed, performance and flexibility
2 Not suited for transactional stuff (No ACID)
Ashish Mishra MongoDB

7. Outline
Introduction
Dive-in
Scaling
Features
Features
1 Document oriented - document are stored in BSON
Ashish Mishra MongoDB

8. Outline
Introduction
Dive-in
Scaling
Features
Features
2 Schema less - very flexible (no alter table)
Ashish Mishra MongoDB

9. Outline
Introduction
Dive-in
Scaling
Features
Features
3 Understand JSON natively
Ashish Mishra MongoDB

10. Outline
Introduction
Dive-in
Scaling
Features
Features
1 Collection (think table)
2 Document (think row)
3 Document can have multiple field
Ashish Mishra MongoDB

11. Outline
Introduction
Dive-in
Scaling
Features
Queries
1 Query return cursor (not records)
2 Iterate over the result set
Ashish Mishra MongoDB

12. Outline
Introduction
Dive-in
Scaling
Sharding
Replication
Sharding
1 Easier horizontal scaling
Ashish Mishra MongoDB

13. Outline
Introduction
Dive-in
Scaling
Sharding
Replication
Sharding
1 Easier horizontal scaling
2 Mongo Config Server(s) handles distribution, balancing
Ashish Mishra MongoDB

14. Outline
Introduction
Dive-in
Scaling
Sharding
Replication
Replication
1 Duplicating data (Failover)
Ashish Mishra MongoDB

15. Outline
Introduction
Dive-in
Scaling
Sharding
Replication
Replication
1 Duplicating data (Failover)
2 Increase Reliability
Ashish Mishra MongoDB

16. Outline
Introduction
Dive-in
Scaling
Sharding
Replication
Thank you
Questions?
Ashish Mishra MongoDB