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Meteor & Mongo, a Case StudyPresented by: David Wihl

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What is Meteor?

a 14 month old very ambitious JavaScript

framework

Include client and server side

Uses Mongo as default / only persistence

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Meteor Highlights

Reactivity

Super easy data sync

Client and server consistency Hot Code Pushes

Smart packages / NPM happiness

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Gander

Next-gen mobile email triage client

Hoped to use HTML5 to be multiplatform

Ref: http://www.emailmonday.com/mobile-email-usage-statistics

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GANDER DEMO

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Our Experience with Meteor

Started as UX prototype only in Sept

After security added in Oct, added real users

By no means experts at Mongo Pushing platform pretty hard

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Gander Architecture

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We Mongo

Centerpiece of our app

Myriad of hosting and on prem options

Currently using MongoHQ + EC2

Changed schema numerous times

Good for semi-structured data like email

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Goodness of Meteor

Easy to prototype

Symmetric on client and server (minimongo)

Nice pub/sub model, DDP Great bunch of guys, moving quickly

Easy deploy, wrapped Mongo

All open source

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Not so Goodness

Work in progress: 0.6.3 < 1.0

Performance

cf. findOne

Missing Mongo features, e.g Replica set

https://github.com/meteor/meteor/blob/master/packages/mongo-livedata/mongo_driver.jshttps://github.com/meteor/meteor/blob/master/packages/mongo-livedata/mongo_driver.js

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Here Be Dragons

Doesnt use Mongo security model

Uses Fibers to wrap async node calls

Can still access Mongo directly

Young MVC Design Patterns

Need to host Mongo elsewhere than

meteor.com for direct access

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Aggregation Example

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Meteor Corp Biz Model

Eventually enter the hosting biz via Galaxy

How will that relate to Mongos advanced

options and current hosting choices?

What about on-prem?

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Learn More

www.meteor.com

http://www.discovermeteor.com/

http://www.ripariandata.com/blog/meteor-resources

SO, Google Groups (meteor-core, meteor-talk), Google+

http://www.discovermeteor.com/http://www.ripariandata.com/blog/meteor-resourceshttp://gplus.meteor.com/http://gplus.meteor.com/http://www.ripariandata.com/blog/meteor-resourceshttp://www.ripariandata.com/blog/meteor-resourceshttp://www.ripariandata.com/blog/meteor-resourceshttp://www.discovermeteor.com/

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Questions for the Audience

Should we store attachments in S3 or GridFS?

What gotchas exist in a REST front end to

Mongo? Node.js or Rails?

Anyone used Mongo 2.4 full text search yet?

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Conclusions

In our opinion, Meteor is the best JS

framework out there

Symmetric data is super useful

Its a work-in-progress with great potential

Worth trying some prototype apps