Scaling MongoDB in the cloud with Microsoft Azure

Scaling MongoDB in the cloud with Microsoft AzureIvan FioravantiCTO 4ward srl

What we build with MongoDB?

https://developer.globalblue.com

https://www.4ward365.com

Why MongoDB?

SERIOUSLY? OMG! WTF!

MISSION:IMPOSSIBLE

Diagram from: http://blog.nahurst.com/visual-guide-to-nosql-systems

WOW!

Source: http://www.mongodb.com/customers

How we use MongoDB?

Member 1

DON’T PANIC PLEASE STAND BY

We’re currently down

for maintenance

And will be back shortly

Thank you for your patience.

> rs.initiate()

> rs.conf()

{

"_id" : "rs0",

"version" : 4,

"members" : [

{

"_id" : 0,

"host" : "eumongodb0.4ward.local:27017"

}

]

}

> rs.add("eumongodb1.4ward.local")

> rs.addArb("eumongodbarb1.4ward.local")

Single datacenter

Points of failure:– Power

– Network

– Data center

– Two node failure

Automatic recovery of single node crash

Member 1

Member 2

Arbiter 1

Scale out! Singapore!

Photo by Dimos Paraskevas (http://www.flickr.com/photos/d_paraskevas)

> rs.add(“apacmongodb1.4ward.local")

> cfg = rs.conf()

> cfg.members[3].votes = 0

> cfg.members[3].priority = 0

> rs.reconfig(cfg)

Member 1

Member 2

Arbiter 1

Member 3

VPN - Gateway

?

Photo by Alex E. Proimos (http://www.flickr.com/photos/proimos)

http://docs.mongodb.org/manual/tutorial/deploy-replica-set/

http://docs.mongodb.org/manual/tutorial/configure-a-non-voting-replica-set-member/

http://docs.mongodb.org/manual/core/replica-set-priority-0-member/

http://blogs.msdn.com/b/windowsazure/archive/2014/03/28/network-isolation-options-for-machines-in-windows-azure-virtual-networks.aspx

https://www.mongodb.com/products/training#online

https://www.4ward365.com

https://developer.globalblue.com

Thanks!Ivan Fioravanti - CTO 4ward srl

[email protected]

@ivanfioravanti