Download - Big Data and Wee Data by Avery Rosen
MongoDB and Wee Data
hacking a workflow
what it’s all about
• MongoDB lets you persist and investigate your application data while getting out of your way
• p.s. BDD
me
• http://bringingfire.com/
• @4BringingFire
• expertise at the intersection of technology, product formulation, and business strategy
stuff I’m into
• products > tech
• UX testing
• iterative, analytics-driven dev
• agility in production
these guys © wired.com
total projectsbig data projects= ?< 1%NOT AN
ACTUAL FACT
what is wee data?
• query performance is not an issue
• in fact it might fit in RAM
• in fact it might fit in 2MB
where mongo fits
• scales down nicely
• access programmatically without SQL
• persists for free
• query later, too
ORMpuh-lease.
Behavior Driven Development
• “Outside-in” approach
• Everything is behavior
• Acceptance-test-driven planning
• Ubiquitous language
Cucumber
Cucumber
Cucumber
Cucumber
rspec
• specification
• object doubles (mocks, fakes, stubs, spies)
• method stubbing
• expectations
Behavior Driven Development
• http://cukes.info/
• http://rspec.info/
Name Materials Price Description
fancy menorah gold, silver 600
plain menorah pewter 150
the Penrose ETL pipeline
Product Spreadsheets
.csv.csv.csv
CSV files Product Descriptions
Blah blah blah exquisite
craftsmanship
db.products.aggregate( { $match : { product_type : “menorah” } }, { $group : { _id: “$material”, count:
{ $sum : 1 } } )
Buy AdWords?
Q & A
